81710019

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{70379}}^1$

素因数の和:70431

約数の個数: 16

約数和(自身を含む): 123868800

約数和(自身を除く): 42158781

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 70379, 211137, 633411, 1900233, 3026297, 9078891, 27236673, 81710019]

約数ペア:

[(1, 81710019), (3, 27236673), (9, 9078891), (27, 3026297), (43, 1900233), (129, 633411), (387, 211137), (1161, 70379)]