81261615

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{7411}}^1$

素因数の和:7479

約数の個数: 32

約数和(自身を含む): 140887296

約数和(自身を除く): 59625681

約数列:

[1, 3, 5, 15, 17, 43, 51, 85, 129, 215, 255, 645, 731, 2193, 3655, 7411, 10965, 22233, 37055, 111165, 125987, 318673, 377961, 629935, 956019, 1593365, 1889805, 4780095, 5417441, 16252323, 27087205, 81261615]

約数ペア:

[(1, 81261615), (3, 27087205), (5, 16252323), (15, 5417441), (17, 4780095), (43, 1889805), (51, 1593365), (85, 956019), (129, 629935), (215, 377961), (255, 318673), (645, 125987), (731, 111165), (2193, 37055), (3655, 22233), (7411, 10965)]