31047939

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{1009}}^1$

素因数の和:1291

約数の個数: 24

約数和(自身を含む): 48528480

約数和(自身を除く): 17480541

約数列:

[1, 3, 9, 13, 39, 117, 263, 789, 1009, 2367, 3027, 3419, 9081, 10257, 13117, 30771, 39351, 118053, 265367, 796101, 2388303, 3449771, 10349313, 31047939]

約数ペア:

[(1, 31047939), (3, 10349313), (9, 3449771), (13, 2388303), (39, 796101), (117, 265367), (263, 118053), (789, 39351), (1009, 30771), (2367, 13117), (3027, 10257), (3419, 9081)]