87120481

素因数分解:

$7^2\times {\mathrm{23}}^2\times {\mathrm{3361}}^1$

素因数の和:3421

約数の個数: 18

約数和(自身を含む): 105973602

約数和(自身を除く): 18853121

約数列:

[1, 7, 23, 49, 161, 529, 1127, 3361, 3703, 23527, 25921, 77303, 164689, 541121, 1777969, 3787847, 12445783, 87120481]

約数ペア:

[(1, 87120481), (7, 12445783), (23, 3787847), (49, 1777969), (161, 541121), (529, 164689), (1127, 77303), (3361, 25921), (3703, 23527)]