842921469

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{554189}}^1$

素因数の和:554221

約数の個数: 18

約数和(自身を含む): 1318418010

約数和(自身を除く): 475496541

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 554189, 1662567, 4987701, 7204457, 21613371, 64840113, 93657941, 280973823, 842921469]

約数ペア:

[(1, 842921469), (3, 280973823), (9, 93657941), (13, 64840113), (39, 21613371), (117, 7204457), (169, 4987701), (507, 1662567), (1521, 554189)]