729802017

素因数分解:

$3^2\times 7^1\times {\mathrm{1087}}^1\times {\mathrm{10657}}^1$

素因数の和:11757

約数の個数: 24

約数和(自身を含む): 1205974016

約数和(自身を除く): 476171999

約数列:

[1, 3, 7, 9, 21, 63, 1087, 3261, 7609, 9783, 10657, 22827, 31971, 68481, 74599, 95913, 223797, 671391, 11584159, 34752477, 81089113, 104257431, 243267339, 729802017]

約数ペア:

[(1, 729802017), (3, 243267339), (7, 104257431), (9, 81089113), (21, 34752477), (63, 11584159), (1087, 671391), (3261, 223797), (7609, 95913), (9783, 74599), (10657, 68481), (22827, 31971)]