81796729

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{853}}^1$

素因数の和:989

約数の個数: 24

約数和(自身を含む): 101250240

約数和(自身を除く): 19453511

約数列:

[1, 7, 19, 49, 103, 133, 721, 853, 931, 1957, 5047, 5971, 13699, 16207, 41797, 87859, 95893, 113449, 615013, 794143, 1669321, 4305091, 11685247, 81796729]

約数ペア:

[(1, 81796729), (7, 11685247), (19, 4305091), (49, 1669321), (103, 794143), (133, 615013), (721, 113449), (853, 95893), (931, 87859), (1957, 41797), (5047, 16207), (5971, 13699)]