12986961

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:233

約数の個数: 32

約数和(自身を含む): 19498752

約数和(自身を除く): 6511791

約数列:

[1, 3, 13, 39, 53, 61, 103, 159, 183, 309, 689, 793, 1339, 2067, 2379, 3233, 4017, 5459, 6283, 9699, 16377, 18849, 42029, 70967, 81679, 126087, 212901, 245037, 332999, 998997, 4328987, 12986961]

約数ペア:

[(1, 12986961), (3, 4328987), (13, 998997), (39, 332999), (53, 245037), (61, 212901), (103, 126087), (159, 81679), (183, 70967), (309, 42029), (689, 18849), (793, 16377), (1339, 9699), (2067, 6283), (2379, 5459), (3233, 4017)]