638837415

素因数分解:

$3^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{45943}}^1$

素因数の和:46060

約数の個数: 32

約数和(自身を含む): 1146762240

約数和(自身を除く): 507924825

約数列:

[1, 3, 5, 9, 15, 27, 45, 103, 135, 309, 515, 927, 1545, 2781, 4635, 13905, 45943, 137829, 229715, 413487, 689145, 1240461, 2067435, 4732129, 6202305, 14196387, 23660645, 42589161, 70981935, 127767483, 212945805, 638837415]

約数ペア:

[(1, 638837415), (3, 212945805), (5, 127767483), (9, 70981935), (15, 42589161), (27, 23660645), (45, 14196387), (103, 6202305), (135, 4732129), (309, 2067435), (515, 1240461), (927, 689145), (1545, 413487), (2781, 229715), (4635, 137829), (13905, 45943)]