291217005

素因数分解:

$3^3\times 5^1\times {\mathrm{2157163}}^1$

素因数の和:2157177

約数の個数: 16

約数和(自身を含む): 517719360

約数和(自身を除く): 226502355

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 2157163, 6471489, 10785815, 19414467, 32357445, 58243401, 97072335, 291217005]

約数ペア:

[(1, 291217005), (3, 97072335), (5, 58243401), (9, 32357445), (15, 19414467), (27, 10785815), (45, 6471489), (135, 2157163)]