8639631

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1$

素因数の和:181

約数の個数: 72

約数和(自身を含む): 17179344

約数和(自身を除く): 8539713

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 49, 63, 77, 91, 99, 117, 137, 143, 147, 231, 273, 411, 429, 441, 539, 637, 693, 819, 959, 1001, 1233, 1287, 1507, 1617, 1781, 1911, 2877, 3003, 4521, 4851, 5343, 5733, 6713, 7007, 8631, 9009, 10549, 12467, 13563, 16029, 19591, 20139, 21021, 31647, 37401, 58773, 60417, 63063, 73843, 87269, 94941, 112203, 137137, 176319, 221529, 261807, 411411, 664587, 785421, 959959, 1234233, 2879877, 8639631]

約数ペア:

[(1, 8639631), (3, 2879877), (7, 1234233), (9, 959959), (11, 785421), (13, 664587), (21, 411411), (33, 261807), (39, 221529), (49, 176319), (63, 137137), (77, 112203), (91, 94941), (99, 87269), (117, 73843), (137, 63063), (143, 60417), (147, 58773), (231, 37401), (273, 31647), (411, 21021), (429, 20139), (441, 19591), (539, 16029), (637, 13563), (693, 12467), (819, 10549), (959, 9009), (1001, 8631), (1233, 7007), (1287, 6713), (1507, 5733), (1617, 5343), (1781, 4851), (1911, 4521), (2877, 3003)]