811539

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{233}}^1$

素因数の和:288

約数の個数: 20

約数和(自身を含む): 1245816

約数和(自身を除く): 434277

約数列:

[1, 3, 9, 27, 43, 81, 129, 233, 387, 699, 1161, 2097, 3483, 6291, 10019, 18873, 30057, 90171, 270513, 811539]

約数ペア:

[(1, 811539), (3, 270513), (9, 90171), (27, 30057), (43, 18873), (81, 10019), (129, 6291), (233, 3483), (387, 2097), (699, 1161)]