31961709

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:391

約数の個数: 40

約数和(自身を含む): 52039680

約数和(自身を除く): 20077971

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 127, 239, 351, 381, 717, 1053, 1143, 1651, 2151, 3107, 3429, 4953, 6453, 9321, 10287, 14859, 19359, 27963, 30353, 44577, 83889, 91059, 133731, 251667, 273177, 394589, 819531, 1183767, 2458593, 3551301, 10653903, 31961709]

約数ペア:

[(1, 31961709), (3, 10653903), (9, 3551301), (13, 2458593), (27, 1183767), (39, 819531), (81, 394589), (117, 273177), (127, 251667), (239, 133731), (351, 91059), (381, 83889), (717, 44577), (1053, 30353), (1143, 27963), (1651, 19359), (2151, 14859), (3107, 10287), (3429, 9321), (4953, 6453)]