208021251

素因数分解:

$3^1\times {\mathrm{389}}^1\times {\mathrm{397}}^1\times {\mathrm{449}}^1$

素因数の和:1238

約数の個数: 16

約数和(自身を含む): 279396000

約数和(自身を除く): 71374749

約数列:

[1, 3, 389, 397, 449, 1167, 1191, 1347, 154433, 174661, 178253, 463299, 523983, 534759, 69340417, 208021251]

約数ペア:

[(1, 208021251), (3, 69340417), (389, 534759), (397, 523983), (449, 463299), (1167, 178253), (1191, 174661), (1347, 154433)]