640001853

素因数分解:

$3^2\times {\mathrm{1171}}^1\times {\mathrm{60727}}^1$

素因数の和:61904

約数の個数: 12

約数和(自身を含む): 925251808

約数和(自身を除く): 285249955

約数列:

[1, 3, 9, 1171, 3513, 10539, 60727, 182181, 546543, 71111317, 213333951, 640001853]

約数ペア:

[(1, 640001853), (3, 213333951), (9, 71111317), (1171, 546543), (3513, 182181), (10539, 60727)]