28167561

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{461}}^1$

素因数の和:574

約数の個数: 32

約数和(自身を含む): 43760640

約数和(自身を除く): 15593079

約数列:

[1, 3, 9, 27, 31, 73, 93, 219, 279, 461, 657, 837, 1383, 1971, 2263, 4149, 6789, 12447, 14291, 20367, 33653, 42873, 61101, 100959, 128619, 302877, 385857, 908631, 1043243, 3129729, 9389187, 28167561]

約数ペア:

[(1, 28167561), (3, 9389187), (9, 3129729), (27, 1043243), (31, 908631), (73, 385857), (93, 302877), (219, 128619), (279, 100959), (461, 61101), (657, 42873), (837, 33653), (1383, 20367), (1971, 14291), (2263, 12447), (4149, 6789)]