31393089

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4259}}^1$

素因数の和:4291

約数の個数: 40

約数和(自身を含む): 57731520

約数和(自身を除く): 26338431

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 351, 567, 819, 1053, 2457, 4259, 7371, 12777, 29813, 38331, 55367, 89439, 114993, 166101, 268317, 344979, 387569, 498303, 804951, 1162707, 1494909, 2414853, 3488121, 4484727, 10464363, 31393089]

約数ペア:

[(1, 31393089), (3, 10464363), (7, 4484727), (9, 3488121), (13, 2414853), (21, 1494909), (27, 1162707), (39, 804951), (63, 498303), (81, 387569), (91, 344979), (117, 268317), (189, 166101), (273, 114993), (351, 89439), (567, 55367), (819, 38331), (1053, 29813), (2457, 12777), (4259, 7371)]