87020913

素因数分解:

$3^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{5431}}^1$

素因数の和:5557

約数の個数: 24

約数和(自身を含む): 136234560

約数和(自身を除く): 49213647

約数列:

[1, 3, 7, 21, 49, 109, 147, 327, 763, 2289, 5341, 5431, 16023, 16293, 38017, 114051, 266119, 591979, 798357, 1775937, 4143853, 12431559, 29006971, 87020913]

約数ペア:

[(1, 87020913), (3, 29006971), (7, 12431559), (21, 4143853), (49, 1775937), (109, 798357), (147, 591979), (327, 266119), (763, 114051), (2289, 38017), (5341, 16293), (5431, 16023)]