81042525

素因数分解:

$3^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1291}}^1$

素因数の和:1344

約数の個数: 60

約数和(自身を含む): 155081344

約数和(自身を除く): 74038819

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 75, 81, 93, 135, 155, 225, 279, 405, 465, 675, 775, 837, 1291, 1395, 2025, 2325, 2511, 3873, 4185, 6455, 6975, 11619, 12555, 19365, 20925, 32275, 34857, 40021, 58095, 62775, 96825, 104571, 120063, 174285, 200105, 290475, 360189, 522855, 600315, 871425, 1000525, 1080567, 1800945, 2614275, 3001575, 3241701, 5402835, 9004725, 16208505, 27014175, 81042525]

約数ペア:

[(1, 81042525), (3, 27014175), (5, 16208505), (9, 9004725), (15, 5402835), (25, 3241701), (27, 3001575), (31, 2614275), (45, 1800945), (75, 1080567), (81, 1000525), (93, 871425), (135, 600315), (155, 522855), (225, 360189), (279, 290475), (405, 200105), (465, 174285), (675, 120063), (775, 104571), (837, 96825), (1291, 62775), (1395, 58095), (2025, 40021), (2325, 34857), (2511, 32275), (3873, 20925), (4185, 19365), (6455, 12555), (6975, 11619)]