208690815

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{479749}}^1$

素因数の和:479786

約数の個数: 16

約数和(自身を含む): 345420000

約数和(自身を除く): 136729185

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 479749, 1439247, 2398745, 7196235, 13912721, 41738163, 69563605, 208690815]

約数ペア:

[(1, 208690815), (3, 69563605), (5, 41738163), (15, 13912721), (29, 7196235), (87, 2398745), (145, 1439247), (435, 479749)]