81372555

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3823}}^1$

素因数の和:3888

約数の個数: 48

約数和(自身を含む): 157487616

約数和(自身を除く): 76115061

約数列:

[1, 3, 5, 9, 11, 15, 33, 43, 45, 55, 99, 129, 165, 215, 387, 473, 495, 645, 1419, 1935, 2365, 3823, 4257, 7095, 11469, 19115, 21285, 34407, 42053, 57345, 126159, 164389, 172035, 210265, 378477, 493167, 630795, 821945, 1479501, 1808279, 1892385, 2465835, 5424837, 7397505, 9041395, 16274511, 27124185, 81372555]

約数ペア:

[(1, 81372555), (3, 27124185), (5, 16274511), (9, 9041395), (11, 7397505), (15, 5424837), (33, 2465835), (43, 1892385), (45, 1808279), (55, 1479501), (99, 821945), (129, 630795), (165, 493167), (215, 378477), (387, 210265), (473, 172035), (495, 164389), (645, 126159), (1419, 57345), (1935, 42053), (2365, 34407), (3823, 21285), (4257, 19115), (7095, 11469)]