31874355

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{313}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 57997056

約数和(自身を除く): 26122701

約数列:

[1, 3, 5, 9, 15, 31, 45, 73, 93, 155, 219, 279, 313, 365, 465, 657, 939, 1095, 1395, 1565, 2263, 2817, 3285, 4695, 6789, 9703, 11315, 14085, 20367, 22849, 29109, 33945, 48515, 68547, 87327, 101835, 114245, 145545, 205641, 342735, 436635, 708319, 1028205, 2124957, 3541595, 6374871, 10624785, 31874355]

約数ペア:

[(1, 31874355), (3, 10624785), (5, 6374871), (9, 3541595), (15, 2124957), (31, 1028205), (45, 708319), (73, 436635), (93, 342735), (155, 205641), (219, 145545), (279, 114245), (313, 101835), (365, 87327), (465, 68547), (657, 48515), (939, 33945), (1095, 29109), (1395, 22849), (1565, 20367), (2263, 14085), (2817, 11315), (3285, 9703), (4695, 6789)]