64520895

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{1289}}^1$

素因数の和:1415

約数の個数: 32

約数和(自身を含む): 106997760

約数和(自身を除く): 42476865

約数列:

[1, 3, 5, 15, 47, 71, 141, 213, 235, 355, 705, 1065, 1289, 3337, 3867, 6445, 10011, 16685, 19335, 50055, 60583, 91519, 181749, 274557, 302915, 457595, 908745, 1372785, 4301393, 12904179, 21506965, 64520895]

約数ペア:

[(1, 64520895), (3, 21506965), (5, 12904179), (15, 4301393), (47, 1372785), (71, 908745), (141, 457595), (213, 302915), (235, 274557), (355, 181749), (705, 91519), (1065, 60583), (1289, 50055), (3337, 19335), (3867, 16685), (6445, 10011)]