15222207

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 28191744

約数和(自身を除く): 12969537

約数列:

[1, 3, 7, 11, 13, 21, 33, 37, 39, 77, 91, 111, 137, 143, 231, 259, 273, 407, 411, 429, 481, 777, 959, 1001, 1221, 1443, 1507, 1781, 2849, 2877, 3003, 3367, 4521, 5069, 5291, 5343, 8547, 10101, 10549, 12467, 15207, 15873, 19591, 31647, 35483, 37037, 37401, 55759, 58773, 65897, 106449, 111111, 137137, 167277, 197691, 390313, 411411, 461279, 724867, 1170939, 1383837, 2174601, 5074069, 15222207]

約数ペア:

[(1, 15222207), (3, 5074069), (7, 2174601), (11, 1383837), (13, 1170939), (21, 724867), (33, 461279), (37, 411411), (39, 390313), (77, 197691), (91, 167277), (111, 137137), (137, 111111), (143, 106449), (231, 65897), (259, 58773), (273, 55759), (407, 37401), (411, 37037), (429, 35483), (481, 31647), (777, 19591), (959, 15873), (1001, 15207), (1221, 12467), (1443, 10549), (1507, 10101), (1781, 8547), (2849, 5343), (2877, 5291), (3003, 5069), (3367, 4521)]