216706875

素因数分解:

$3^1\times 5^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:139

約数の個数: 160

約数和(自身を含む): 479846400

約数和(自身を除く): 263139525

約数列:

[1, 3, 5, 7, 11, 15, 19, 21, 25, 33, 35, 55, 57, 75, 77, 79, 95, 105, 125, 133, 165, 175, 209, 231, 237, 275, 285, 375, 385, 395, 399, 475, 525, 553, 625, 627, 665, 825, 869, 875, 1045, 1155, 1185, 1375, 1425, 1463, 1501, 1659, 1875, 1925, 1975, 1995, 2375, 2607, 2625, 2765, 3135, 3325, 4125, 4345, 4375, 4389, 4503, 5225, 5775, 5925, 6083, 6875, 7125, 7315, 7505, 8295, 9625, 9875, 9975, 10507, 11875, 13035, 13125, 13825, 15675, 16511, 16625, 18249, 20625, 21725, 21945, 22515, 26125, 28875, 29625, 30415, 31521, 35625, 36575, 37525, 41475, 48125, 49375, 49533, 49875, 52535, 65175, 69125, 78375, 82555, 83125, 91245, 108625, 109725, 112575, 115577, 130625, 144375, 148125, 152075, 157605, 182875, 187625, 207375, 247665, 249375, 262675, 325875, 345625, 346731, 391875, 412775, 456225, 543125, 548625, 562875, 577885, 760375, 788025, 914375, 938125, 1036875, 1238325, 1313375, 1629375, 1733655, 2063875, 2281125, 2743125, 2814375, 2889425, 3801875, 3940125, 6191625, 6566875, 8668275, 10319375, 11405625, 14447125, 19700625, 30958125, 43341375, 72235625, 216706875]

約数ペア:

[(1, 216706875), (3, 72235625), (5, 43341375), (7, 30958125), (11, 19700625), (15, 14447125), (19, 11405625), (21, 10319375), (25, 8668275), (33, 6566875), (35, 6191625), (55, 3940125), (57, 3801875), (75, 2889425), (77, 2814375), (79, 2743125), (95, 2281125), (105, 2063875), (125, 1733655), (133, 1629375), (165, 1313375), (175, 1238325), (209, 1036875), (231, 938125), (237, 914375), (275, 788025), (285, 760375), (375, 577885), (385, 562875), (395, 548625), (399, 543125), (475, 456225), (525, 412775), (553, 391875), (625, 346731), (627, 345625), (665, 325875), (825, 262675), (869, 249375), (875, 247665), (1045, 207375), (1155, 187625), (1185, 182875), (1375, 157605), (1425, 152075), (1463, 148125), (1501, 144375), (1659, 130625), (1875, 115577), (1925, 112575), (1975, 109725), (1995, 108625), (2375, 91245), (2607, 83125), (2625, 82555), (2765, 78375), (3135, 69125), (3325, 65175), (4125, 52535), (4345, 49875), (4375, 49533), (4389, 49375), (4503, 48125), (5225, 41475), (5775, 37525), (5925, 36575), (6083, 35625), (6875, 31521), (7125, 30415), (7315, 29625), (7505, 28875), (8295, 26125), (9625, 22515), (9875, 21945), (9975, 21725), (10507, 20625), (11875, 18249), (13035, 16625), (13125, 16511), (13825, 15675)]