31921227

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{677}}^1$

素因数の和:740

約数の個数: 36

約数和(自身を含む): 51614784

約数和(自身を除く): 19693557

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 169, 279, 403, 507, 677, 1209, 1521, 2031, 3627, 5239, 6093, 8801, 15717, 20987, 26403, 47151, 62961, 79209, 114413, 188883, 272831, 343239, 818493, 1029717, 2455479, 3546803, 10640409, 31921227]

約数ペア:

[(1, 31921227), (3, 10640409), (9, 3546803), (13, 2455479), (31, 1029717), (39, 818493), (93, 343239), (117, 272831), (169, 188883), (279, 114413), (403, 79209), (507, 62961), (677, 47151), (1209, 26403), (1521, 20987), (2031, 15717), (3627, 8801), (5239, 6093)]