31840263

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12959}}^1$

素因数の和:12988

約数の個数: 32

約数和(自身を含む): 58060800

約数和(自身を除く): 26220537

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 12959, 38877, 90713, 116631, 168467, 272139, 349893, 505401, 816417, 1179269, 1516203, 2449251, 3537807, 4548609, 10613421, 31840263]

約数ペア:

[(1, 31840263), (3, 10613421), (7, 4548609), (9, 3537807), (13, 2449251), (21, 1516203), (27, 1179269), (39, 816417), (63, 505401), (91, 349893), (117, 272139), (189, 168467), (273, 116631), (351, 90713), (819, 38877), (2457, 12959)]