31975371

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{421}}^1$

素因数の和:556

約数の個数: 32

約数和(自身を含む): 49627200

約数和(自身を除く): 17651829

約数列:

[1, 3, 9, 27, 29, 87, 97, 261, 291, 421, 783, 873, 1263, 2619, 2813, 3789, 8439, 11367, 12209, 25317, 36627, 40837, 75951, 109881, 122511, 329643, 367533, 1102599, 1184273, 3552819, 10658457, 31975371]

約数ペア:

[(1, 31975371), (3, 10658457), (9, 3552819), (27, 1184273), (29, 1102599), (87, 367533), (97, 329643), (261, 122511), (291, 109881), (421, 75951), (783, 40837), (873, 36627), (1263, 25317), (2619, 12209), (2813, 11367), (3789, 8439)]