51561615

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{607}}^1\times {\mathrm{809}}^1$

素因数の和:1431

約数の個数: 32

約数和(自身を含む): 94556160

約数和(自身を除く): 42994545

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 607, 809, 1821, 2427, 3035, 4045, 4249, 5663, 9105, 12135, 12747, 16989, 21245, 28315, 63735, 84945, 491063, 1473189, 2455315, 3437441, 7365945, 10312323, 17187205, 51561615]

約数ペア:

[(1, 51561615), (3, 17187205), (5, 10312323), (7, 7365945), (15, 3437441), (21, 2455315), (35, 1473189), (105, 491063), (607, 84945), (809, 63735), (1821, 28315), (2427, 21245), (3035, 16989), (4045, 12747), (4249, 12135), (5663, 9105)]