31616757

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:458

約数の個数: 32

約数和(自身を含む): 48960000

約数和(自身を除く): 17343243

約数列:

[1, 3, 9, 27, 29, 87, 149, 261, 271, 447, 783, 813, 1341, 2439, 4023, 4321, 7317, 7859, 12963, 23577, 38889, 40379, 70731, 116667, 121137, 212193, 363411, 1090233, 1170991, 3512973, 10538919, 31616757]

約数ペア:

[(1, 31616757), (3, 10538919), (9, 3512973), (27, 1170991), (29, 1090233), (87, 363411), (149, 212193), (261, 121137), (271, 116667), (447, 70731), (783, 40379), (813, 38889), (1341, 23577), (2439, 12963), (4023, 7859), (4321, 7317)]