291219867

素因数分解:

$3^4\times {\mathrm{107}}^1\times {\mathrm{33601}}^1$

素因数の和:33720

約数の個数: 20

約数和(自身を含む): 439110936

約数和(自身を除く): 147891069

約数列:

[1, 3, 9, 27, 81, 107, 321, 963, 2889, 8667, 33601, 100803, 302409, 907227, 2721681, 3595307, 10785921, 32357763, 97073289, 291219867]

約数ペア:

[(1, 291219867), (3, 97073289), (9, 32357763), (27, 10785921), (81, 3595307), (107, 2721681), (321, 907227), (963, 302409), (2889, 100803), (8667, 33601)]