1991422995

素因数分解:

$3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{891017}}^1$

素因数の和:891174

約数の個数: 16

約数和(自身を含む): 3207664800

約数和(自身を除く): 1216241805

約数列:

[1, 3, 5, 15, 149, 447, 745, 2235, 891017, 2673051, 4455085, 13365255, 132761533, 398284599, 663807665, 1991422995]

約数ペア:

[(1, 1991422995), (3, 663807665), (5, 398284599), (15, 132761533), (149, 13365255), (447, 4455085), (745, 2673051), (2235, 891017)]