9972225

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:127

約数の個数: 72

約数和(自身を含む): 19498752

約数和(自身を除く): 9526527

約数列:

[1, 3, 5, 9, 15, 23, 25, 41, 45, 47, 69, 75, 115, 123, 141, 205, 207, 225, 235, 345, 369, 423, 575, 615, 705, 943, 1025, 1035, 1081, 1175, 1725, 1845, 1927, 2115, 2829, 3075, 3243, 3525, 4715, 5175, 5405, 5781, 8487, 9225, 9635, 9729, 10575, 14145, 16215, 17343, 23575, 27025, 28905, 42435, 44321, 48175, 48645, 70725, 81075, 86715, 132963, 144525, 212175, 221605, 243225, 398889, 433575, 664815, 1108025, 1994445, 3324075, 9972225]

約数ペア:

[(1, 9972225), (3, 3324075), (5, 1994445), (9, 1108025), (15, 664815), (23, 433575), (25, 398889), (41, 243225), (45, 221605), (47, 212175), (69, 144525), (75, 132963), (115, 86715), (123, 81075), (141, 70725), (205, 48645), (207, 48175), (225, 44321), (235, 42435), (345, 28905), (369, 27025), (423, 23575), (575, 17343), (615, 16215), (705, 14145), (943, 10575), (1025, 9729), (1035, 9635), (1081, 9225), (1175, 8487), (1725, 5781), (1845, 5405), (1927, 5175), (2115, 4715), (2829, 3525), (3075, 3243)]