81366525

素因数分解:

$3^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{1747}}^1$

素因数の和:1792

約数の個数: 60

約数和(自身を含む): 157361952

約数和(自身を除く): 75995427

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 69, 75, 81, 115, 135, 207, 225, 345, 405, 575, 621, 675, 1035, 1725, 1747, 1863, 2025, 3105, 5175, 5241, 8735, 9315, 15525, 15723, 26205, 40181, 43675, 46575, 47169, 78615, 120543, 131025, 141507, 200905, 235845, 361629, 393075, 602715, 707535, 1004525, 1084887, 1179225, 1808145, 3013575, 3254661, 3537675, 5424435, 9040725, 16273305, 27122175, 81366525]

約数ペア:

[(1, 81366525), (3, 27122175), (5, 16273305), (9, 9040725), (15, 5424435), (23, 3537675), (25, 3254661), (27, 3013575), (45, 1808145), (69, 1179225), (75, 1084887), (81, 1004525), (115, 707535), (135, 602715), (207, 393075), (225, 361629), (345, 235845), (405, 200905), (575, 141507), (621, 131025), (675, 120543), (1035, 78615), (1725, 47169), (1747, 46575), (1863, 43675), (2025, 40181), (3105, 26205), (5175, 15723), (5241, 15525), (8735, 9315)]