31671567

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:277

約数の個数: 40

約数和(自身を含む): 49803600

約数和(自身を除く): 18132033

約数列:

[1, 3, 9, 27, 29, 81, 87, 97, 139, 261, 291, 417, 783, 873, 1251, 2349, 2619, 2813, 3753, 4031, 7857, 8439, 11259, 12093, 13483, 25317, 36279, 40449, 75951, 108837, 121347, 227853, 326511, 364041, 391007, 1092123, 1173021, 3519063, 10557189, 31671567]

約数ペア:

[(1, 31671567), (3, 10557189), (9, 3519063), (27, 1173021), (29, 1092123), (81, 391007), (87, 364041), (97, 326511), (139, 227853), (261, 121347), (291, 108837), (417, 75951), (783, 40449), (873, 36279), (1251, 25317), (2349, 13483), (2619, 12093), (2813, 11259), (3753, 8439), (4031, 7857)]