40128081

素因数分解:

$3^1\times 7^1\times {\mathrm{1061}}^1\times {\mathrm{1801}}^1$

素因数の和:2872

約数の個数: 16

約数和(自身を含む): 61239168

約数和(自身を除く): 21111087

約数列:

[1, 3, 7, 21, 1061, 1801, 3183, 5403, 7427, 12607, 22281, 37821, 1910861, 5732583, 13376027, 40128081]

約数ペア:

[(1, 40128081), (3, 13376027), (7, 5732583), (21, 1910861), (1061, 37821), (1801, 22281), (3183, 12607), (5403, 7427)]