1521330687

素因数分解:

$3^3\times {\mathrm{173}}^1\times {\mathrm{325697}}^1$

素因数の和:325879

約数の個数: 16

約数和(自身を含む): 2266858080

約数和(自身を除く): 745527393

約数列:

[1, 3, 9, 27, 173, 519, 1557, 4671, 325697, 977091, 2931273, 8793819, 56345581, 169036743, 507110229, 1521330687]

約数ペア:

[(1, 1521330687), (3, 507110229), (9, 169036743), (27, 56345581), (173, 8793819), (519, 2931273), (1557, 977091), (4671, 325697)]