247996965

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{232861}}^1$

素因数の和:232940

約数の個数: 16

約数和(自身を含む): 402385536

約数和(自身を除く): 154388571

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 232861, 698583, 1164305, 3492915, 16533131, 49599393, 82665655, 247996965]

約数ペア:

[(1, 247996965), (3, 82665655), (5, 49599393), (15, 16533131), (71, 3492915), (213, 1164305), (355, 698583), (1065, 232861)]