31145115

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{443}}^1$

素因数の和:603

約数の個数: 32

約数和(自身を含む): 51575040

約数和(自身を除く): 20429925

約数列:

[1, 3, 5, 15, 43, 109, 129, 215, 327, 443, 545, 645, 1329, 1635, 2215, 4687, 6645, 14061, 19049, 23435, 48287, 57147, 70305, 95245, 144861, 241435, 285735, 724305, 2076341, 6229023, 10381705, 31145115]

約数ペア:

[(1, 31145115), (3, 10381705), (5, 6229023), (15, 2076341), (43, 724305), (109, 285735), (129, 241435), (215, 144861), (327, 95245), (443, 70305), (545, 57147), (645, 48287), (1329, 23435), (1635, 19049), (2215, 14061), (4687, 6645)]