28070205

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{26357}}^1$

素因数の和:26436

約数の個数: 16

約数和(自身を含む): 45546624

約数和(自身を除く): 17476419

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 26357, 79071, 131785, 395355, 1871347, 5614041, 9356735, 28070205]

約数ペア:

[(1, 28070205), (3, 9356735), (5, 5614041), (15, 1871347), (71, 395355), (213, 131785), (355, 79071), (1065, 26357)]