16857225

素因数分解:

$3^2\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1$

素因数の和:180

約数の個数: 108

約数和(自身を含む): 38591280

約数和(自身を除く): 21734055

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 25, 33, 35, 45, 49, 55, 63, 75, 77, 99, 105, 139, 147, 165, 175, 225, 231, 245, 275, 315, 385, 417, 441, 495, 525, 539, 693, 695, 735, 825, 973, 1155, 1225, 1251, 1529, 1575, 1617, 1925, 2085, 2205, 2475, 2695, 2919, 3465, 3475, 3675, 4587, 4851, 4865, 5775, 6255, 6811, 7645, 8085, 8757, 10425, 10703, 11025, 13475, 13761, 14595, 17325, 20433, 22935, 24255, 24325, 31275, 32109, 34055, 38225, 40425, 43785, 53515, 61299, 68805, 72975, 74921, 96327, 102165, 114675, 121275, 160545, 170275, 218925, 224763, 267575, 306495, 344025, 374605, 481635, 510825, 674289, 802725, 1123815, 1532475, 1873025, 2408175, 3371445, 5619075, 16857225]

約数ペア:

[(1, 16857225), (3, 5619075), (5, 3371445), (7, 2408175), (9, 1873025), (11, 1532475), (15, 1123815), (21, 802725), (25, 674289), (33, 510825), (35, 481635), (45, 374605), (49, 344025), (55, 306495), (63, 267575), (75, 224763), (77, 218925), (99, 170275), (105, 160545), (139, 121275), (147, 114675), (165, 102165), (175, 96327), (225, 74921), (231, 72975), (245, 68805), (275, 61299), (315, 53515), (385, 43785), (417, 40425), (441, 38225), (495, 34055), (525, 32109), (539, 31275), (693, 24325), (695, 24255), (735, 22935), (825, 20433), (973, 17325), (1155, 14595), (1225, 13761), (1251, 13475), (1529, 11025), (1575, 10703), (1617, 10425), (1925, 8757), (2085, 8085), (2205, 7645), (2475, 6811), (2695, 6255), (2919, 5775), (3465, 4865), (3475, 4851), (3675, 4587)]