90402789

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{18341}}^1$

素因数の和:18428

約数の個数: 16

約数和(自身を含む): 126779904

約数和(自身を除く): 36377115

約数列:

[1, 3, 31, 53, 93, 159, 1643, 4929, 18341, 55023, 568571, 972073, 1705713, 2916219, 30134263, 90402789]

約数ペア:

[(1, 90402789), (3, 30134263), (31, 2916219), (53, 1705713), (93, 972073), (159, 568571), (1643, 55023), (4929, 18341)]