15128217

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 25113088

約数和(自身を除く): 9984871

約数列:

[1, 3, 9, 13, 31, 39, 43, 93, 97, 117, 129, 279, 291, 387, 403, 559, 873, 1209, 1261, 1333, 1677, 3007, 3627, 3783, 3999, 4171, 5031, 9021, 11349, 11997, 12513, 17329, 27063, 37539, 39091, 51987, 54223, 117273, 129301, 155961, 162669, 351819, 387903, 488007, 1163709, 1680913, 5042739, 15128217]

約数ペア:

[(1, 15128217), (3, 5042739), (9, 1680913), (13, 1163709), (31, 488007), (39, 387903), (43, 351819), (93, 162669), (97, 155961), (117, 129301), (129, 117273), (279, 54223), (291, 51987), (387, 39091), (403, 37539), (559, 27063), (873, 17329), (1209, 12513), (1261, 11997), (1333, 11349), (1677, 9021), (3007, 5031), (3627, 4171), (3783, 3999)]