661356

素因数分解:

$2^2\times 3^2\times {\mathrm{18371}}^1$

素因数の和:18381

約数の個数: 18

約数和(自身を含む): 1671852

約数和(自身を除く): 1010496

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 18371, 36742, 55113, 73484, 110226, 165339, 220452, 330678, 661356]

約数ペア:

[(1, 661356), (2, 330678), (3, 220452), (4, 165339), (6, 110226), (9, 73484), (12, 55113), (18, 36742), (36, 18371)]