61983855

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{311}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 111361536

約数和(自身を除く): 49377681

約数列:

[1, 3, 5, 9, 15, 43, 45, 103, 129, 215, 309, 311, 387, 515, 645, 927, 933, 1545, 1555, 1935, 2799, 4429, 4635, 4665, 13287, 13373, 13995, 22145, 32033, 39861, 40119, 66435, 66865, 96099, 120357, 160165, 199305, 200595, 288297, 480495, 601785, 1377419, 1441485, 4132257, 6887095, 12396771, 20661285, 61983855]

約数ペア:

[(1, 61983855), (3, 20661285), (5, 12396771), (9, 6887095), (15, 4132257), (43, 1441485), (45, 1377419), (103, 601785), (129, 480495), (215, 288297), (309, 200595), (311, 199305), (387, 160165), (515, 120357), (645, 96099), (927, 66865), (933, 66435), (1545, 40119), (1555, 39861), (1935, 32033), (2799, 22145), (4429, 13995), (4635, 13373), (4665, 13287)]