51431331

素因数分解:

$3^1\times 7^2\times {\mathrm{181}}^1\times {\mathrm{1933}}^1$

素因数の和:2131

約数の個数: 24

約数和(自身を含む): 80253264

約数和(自身を除く): 28821933

約数列:

[1, 3, 7, 21, 49, 147, 181, 543, 1267, 1933, 3801, 5799, 8869, 13531, 26607, 40593, 94717, 284151, 349873, 1049619, 2449111, 7347333, 17143777, 51431331]

約数ペア:

[(1, 51431331), (3, 17143777), (7, 7347333), (21, 2449111), (49, 1049619), (147, 349873), (181, 284151), (543, 94717), (1267, 40593), (1933, 26607), (3801, 13531), (5799, 8869)]