31486721

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{1423}}^1$

素因数の和:1568

約数の個数: 16

約数和(自身を含む): 37593600

約数和(自身を除く): 6106879

約数列:

[1, 7, 29, 109, 203, 763, 1423, 3161, 9961, 22127, 41267, 155107, 288869, 1085749, 4498103, 31486721]

約数ペア:

[(1, 31486721), (7, 4498103), (29, 1085749), (109, 288869), (203, 155107), (763, 41267), (1423, 22127), (3161, 9961)]