129021991679

素因数分解:

$7^2\times {\mathrm{19}}^2\times {\mathrm{7293911}}^1$

素因数の和:7293963

約数の個数: 18

約数和(自身を含む): 158401886904

約数和(自身を除く): 29379895225

約数列:

[1, 7, 19, 49, 133, 361, 931, 2527, 17689, 7293911, 51057377, 138584309, 357401639, 970090163, 2633101871, 6790631141, 18431713097, 129021991679]

約数ペア:

[(1, 129021991679), (7, 18431713097), (19, 6790631141), (49, 2633101871), (133, 970090163), (361, 357401639), (931, 138584309), (2527, 51057377), (17689, 7293911)]