13440825

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:135

約数の個数: 72

約数和(自身を含む): 25998336

約数和(自身を除く): 12557511

約数列:

[1, 3, 5, 9, 15, 25, 31, 41, 45, 47, 75, 93, 123, 141, 155, 205, 225, 235, 279, 369, 423, 465, 615, 705, 775, 1025, 1175, 1271, 1395, 1457, 1845, 1927, 2115, 2325, 3075, 3525, 3813, 4371, 5781, 6355, 6975, 7285, 9225, 9635, 10575, 11439, 13113, 17343, 19065, 21855, 28905, 31775, 36425, 48175, 57195, 59737, 65565, 86715, 95325, 109275, 144525, 179211, 285975, 298685, 327825, 433575, 537633, 896055, 1493425, 2688165, 4480275, 13440825]

約数ペア:

[(1, 13440825), (3, 4480275), (5, 2688165), (9, 1493425), (15, 896055), (25, 537633), (31, 433575), (41, 327825), (45, 298685), (47, 285975), (75, 179211), (93, 144525), (123, 109275), (141, 95325), (155, 86715), (205, 65565), (225, 59737), (235, 57195), (279, 48175), (369, 36425), (423, 31775), (465, 28905), (615, 21855), (705, 19065), (775, 17343), (1025, 13113), (1175, 11439), (1271, 10575), (1395, 9635), (1457, 9225), (1845, 7285), (1927, 6975), (2115, 6355), (2325, 5781), (3075, 4371), (3525, 3813)]