81166215

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{463}}^1$

素因数の和:544

約数の個数: 64

約数和(自身を含む): 149667840

約数和(自身を除く): 68501625

約数列:

[1, 3, 5, 13, 15, 29, 31, 39, 65, 87, 93, 145, 155, 195, 377, 403, 435, 463, 465, 899, 1131, 1209, 1389, 1885, 2015, 2315, 2697, 4495, 5655, 6019, 6045, 6945, 11687, 13427, 13485, 14353, 18057, 30095, 35061, 40281, 43059, 58435, 67135, 71765, 90285, 174551, 175305, 186589, 201405, 215295, 416237, 523653, 559767, 872755, 932945, 1248711, 2081185, 2618265, 2798835, 5411081, 6243555, 16233243, 27055405, 81166215]

約数ペア:

[(1, 81166215), (3, 27055405), (5, 16233243), (13, 6243555), (15, 5411081), (29, 2798835), (31, 2618265), (39, 2081185), (65, 1248711), (87, 932945), (93, 872755), (145, 559767), (155, 523653), (195, 416237), (377, 215295), (403, 201405), (435, 186589), (463, 175305), (465, 174551), (899, 90285), (1131, 71765), (1209, 67135), (1389, 58435), (1885, 43059), (2015, 40281), (2315, 35061), (2697, 30095), (4495, 18057), (5655, 14353), (6019, 13485), (6045, 13427), (6945, 11687)]