51221625

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:136

約数の個数: 128

約数和(自身を含む): 111820800

約数和(自身を除く): 60599175

約数列:

[1, 3, 5, 7, 13, 15, 19, 21, 25, 35, 39, 57, 65, 75, 79, 91, 95, 105, 125, 133, 175, 195, 237, 247, 273, 285, 325, 375, 395, 399, 455, 475, 525, 553, 665, 741, 875, 975, 1027, 1185, 1235, 1365, 1425, 1501, 1625, 1659, 1729, 1975, 1995, 2275, 2375, 2625, 2765, 3081, 3325, 3705, 4503, 4875, 5135, 5187, 5925, 6175, 6825, 7125, 7189, 7505, 8295, 8645, 9875, 9975, 10507, 11375, 13825, 15405, 16625, 18525, 19513, 21567, 22515, 25675, 25935, 29625, 30875, 31521, 34125, 35945, 37525, 41475, 43225, 49875, 52535, 58539, 69125, 77025, 92625, 97565, 107835, 112575, 128375, 129675, 136591, 157605, 179725, 187625, 207375, 216125, 262675, 292695, 385125, 409773, 487825, 539175, 562875, 648375, 682955, 788025, 898625, 1313375, 1463475, 2048865, 2439125, 2695875, 3414775, 3940125, 7317375, 10244325, 17073875, 51221625]

約数ペア:

[(1, 51221625), (3, 17073875), (5, 10244325), (7, 7317375), (13, 3940125), (15, 3414775), (19, 2695875), (21, 2439125), (25, 2048865), (35, 1463475), (39, 1313375), (57, 898625), (65, 788025), (75, 682955), (79, 648375), (91, 562875), (95, 539175), (105, 487825), (125, 409773), (133, 385125), (175, 292695), (195, 262675), (237, 216125), (247, 207375), (273, 187625), (285, 179725), (325, 157605), (375, 136591), (395, 129675), (399, 128375), (455, 112575), (475, 107835), (525, 97565), (553, 92625), (665, 77025), (741, 69125), (875, 58539), (975, 52535), (1027, 49875), (1185, 43225), (1235, 41475), (1365, 37525), (1425, 35945), (1501, 34125), (1625, 31521), (1659, 30875), (1729, 29625), (1975, 25935), (1995, 25675), (2275, 22515), (2375, 21567), (2625, 19513), (2765, 18525), (3081, 16625), (3325, 15405), (3705, 13825), (4503, 11375), (4875, 10507), (5135, 9975), (5187, 9875), (5925, 8645), (6175, 8295), (6825, 7505), (7125, 7189)]