31197969

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{3989}}^1$

素因数の和:4085

約数の個数: 24

約数和(自身を含む): 49795200

約数和(自身を除く): 18597231

約数列:

[1, 3, 9, 11, 33, 79, 99, 237, 711, 869, 2607, 3989, 7821, 11967, 35901, 43879, 131637, 315131, 394911, 945393, 2836179, 3466441, 10399323, 31197969]

約数ペア:

[(1, 31197969), (3, 10399323), (9, 3466441), (11, 2836179), (33, 945393), (79, 394911), (99, 315131), (237, 131637), (711, 43879), (869, 35901), (2607, 11967), (3989, 7821)]