12581505

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 23362560

約数和(自身を除く): 10781055

約数列:

[1, 3, 5, 9, 15, 29, 31, 45, 87, 93, 145, 155, 261, 279, 311, 435, 465, 899, 933, 1305, 1395, 1555, 2697, 2799, 4495, 4665, 8091, 9019, 9641, 13485, 13995, 27057, 28923, 40455, 45095, 48205, 81171, 86769, 135285, 144615, 279589, 405855, 433845, 838767, 1397945, 2516301, 4193835, 12581505]

約数ペア:

[(1, 12581505), (3, 4193835), (5, 2516301), (9, 1397945), (15, 838767), (29, 433845), (31, 405855), (45, 279589), (87, 144615), (93, 135285), (145, 86769), (155, 81171), (261, 48205), (279, 45095), (311, 40455), (435, 28923), (465, 27057), (899, 13995), (933, 13485), (1305, 9641), (1395, 9019), (1555, 8091), (2697, 4665), (2799, 4495)]