12105855

素因数分解:

$3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:509

約数の個数: 40

約数和(自身を含む): 22058784

約数和(自身を除く): 9952929

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 81, 135, 213, 355, 405, 421, 639, 1065, 1263, 1917, 2105, 3195, 3789, 5751, 6315, 9585, 11367, 18945, 28755, 29891, 34101, 56835, 89673, 149455, 170505, 269019, 448365, 807057, 1345095, 2421171, 4035285, 12105855]

約数ペア:

[(1, 12105855), (3, 4035285), (5, 2421171), (9, 1345095), (15, 807057), (27, 448365), (45, 269019), (71, 170505), (81, 149455), (135, 89673), (213, 56835), (355, 34101), (405, 29891), (421, 28755), (639, 18945), (1065, 11367), (1263, 9585), (1917, 6315), (2105, 5751), (3195, 3789)]