31510791

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:336

約数の個数: 48

約数和(自身を含む): 52284960

約数和(自身を除く): 20774169

約数列:

[1, 3, 9, 13, 29, 37, 39, 87, 111, 117, 251, 261, 333, 377, 481, 753, 1073, 1131, 1443, 2259, 3219, 3263, 3393, 4329, 7279, 9287, 9657, 9789, 13949, 21837, 27861, 29367, 41847, 65511, 83583, 94627, 120731, 125541, 269323, 283881, 362193, 807969, 851643, 1086579, 2423907, 3501199, 10503597, 31510791]

約数ペア:

[(1, 31510791), (3, 10503597), (9, 3501199), (13, 2423907), (29, 1086579), (37, 851643), (39, 807969), (87, 362193), (111, 283881), (117, 269323), (251, 125541), (261, 120731), (333, 94627), (377, 83583), (481, 65511), (753, 41847), (1073, 29367), (1131, 27861), (1443, 21837), (2259, 13949), (3219, 9789), (3263, 9657), (3393, 9287), (4329, 7279)]