131949209

素因数分解:

$7^2\times {\mathrm{641}}^1\times {\mathrm{4201}}^1$

素因数の和:4856

約数の個数: 12

約数和(自身を含む): 153767988

約数和(自身を除く): 21818779

約数列:

[1, 7, 49, 641, 4201, 4487, 29407, 31409, 205849, 2692841, 18849887, 131949209]

約数ペア:

[(1, 131949209), (7, 18849887), (49, 2692841), (641, 205849), (4201, 31409), (4487, 29407)]