638565561

素因数分解:

$3^2\times {\mathrm{151}}^1\times {\mathrm{469879}}^1$

素因数の和:470036

約数の個数: 12

約数和(自身を含む): 928482880

約数和(自身を除く): 289917319

約数列:

[1, 3, 9, 151, 453, 1359, 469879, 1409637, 4228911, 70951729, 212855187, 638565561]

約数ペア:

[(1, 638565561), (3, 212855187), (9, 70951729), (151, 4228911), (453, 1409637), (1359, 469879)]