208031145

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{3557}}^1$

素因数の和:4129

約数の個数: 32

約数和(自身を含む): 381189888

約数和(自身を除く): 173158743

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 557, 1671, 2785, 3557, 3899, 8355, 10671, 11697, 17785, 19495, 24899, 53355, 58485, 74697, 124495, 373485, 1981249, 5943747, 9906245, 13868743, 29718735, 41606229, 69343715, 208031145]

約数ペア:

[(1, 208031145), (3, 69343715), (5, 41606229), (7, 29718735), (15, 13868743), (21, 9906245), (35, 5943747), (105, 1981249), (557, 373485), (1671, 124495), (2785, 74697), (3557, 58485), (3899, 53355), (8355, 24899), (10671, 19495), (11697, 17785)]