212212611

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{42181}}^1$

素因数の和:42243

約数の個数: 24

約数和(自身を含む): 337793456

約数和(自身を除く): 125580845

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 559, 1677, 5031, 42181, 126543, 379629, 548353, 1645059, 1813783, 4935177, 5441349, 16324047, 23579179, 70737537, 212212611]

約数ペア:

[(1, 212212611), (3, 70737537), (9, 23579179), (13, 16324047), (39, 5441349), (43, 4935177), (117, 1813783), (129, 1645059), (387, 548353), (559, 379629), (1677, 126543), (5031, 42181)]