291278421

素因数分解:

$3^2\times 7^1\times {\mathrm{4623467}}^1$

素因数の和:4623480

約数の個数: 12

約数和(自身を含む): 480840672

約数和(自身を除く): 189562251

約数列:

[1, 3, 7, 9, 21, 63, 4623467, 13870401, 32364269, 41611203, 97092807, 291278421]

約数ペア:

[(1, 291278421), (3, 97092807), (7, 41611203), (9, 32364269), (21, 13870401), (63, 4623467)]