1012905

素因数分解:

$3^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:119

約数の個数: 40

約数和(自身を含む): 1890504

約数和(自身を除く): 877599

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 61, 81, 123, 135, 183, 205, 305, 369, 405, 549, 615, 915, 1107, 1647, 1845, 2501, 2745, 3321, 4941, 5535, 7503, 8235, 12505, 16605, 22509, 24705, 37515, 67527, 112545, 202581, 337635, 1012905]

約数ペア:

[(1, 1012905), (3, 337635), (5, 202581), (9, 112545), (15, 67527), (27, 37515), (41, 24705), (45, 22509), (61, 16605), (81, 12505), (123, 8235), (135, 7503), (183, 5535), (205, 4941), (305, 3321), (369, 2745), (405, 2501), (549, 1845), (615, 1647), (915, 1107)]