31945797

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1993}}^1$

素因数の和:2149

約数の個数: 24

約数和(自身を含む): 50081304

約数和(自身を除く): 18135507

約数列:

[1, 3, 9, 13, 39, 117, 137, 411, 1233, 1781, 1993, 5343, 5979, 16029, 17937, 25909, 77727, 233181, 273041, 819123, 2457369, 3549533, 10648599, 31945797]

約数ペア:

[(1, 31945797), (3, 10648599), (9, 3549533), (13, 2457369), (39, 819123), (117, 273041), (137, 233181), (411, 77727), (1233, 25909), (1781, 17937), (1993, 16029), (5343, 5979)]