1521099

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:312

約数の個数: 20

約数和(自身を含む): 2308680

約数和(自身を除く): 787581

約数列:

[1, 3, 9, 27, 81, 89, 211, 267, 633, 801, 1899, 2403, 5697, 7209, 17091, 18779, 56337, 169011, 507033, 1521099]

約数ペア:

[(1, 1521099), (3, 507033), (9, 169011), (27, 56337), (81, 18779), (89, 17091), (211, 7209), (267, 5697), (633, 2403), (801, 1899)]