121562505

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^2\times {\mathrm{487}}^1$

素因数の和:587

約数の個数: 48

約数和(自身を含む): 221708160

約数和(自身を除く): 100145655

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 487, 645, 1161, 1461, 1849, 1935, 2435, 4383, 5547, 5805, 7305, 9245, 13149, 16641, 20941, 21915, 27735, 49923, 62823, 65745, 83205, 104705, 188469, 249615, 314115, 565407, 900463, 942345, 2701389, 2827035, 4502315, 8104167, 13506945, 24312501, 40520835, 121562505]

約数ペア:

[(1, 121562505), (3, 40520835), (5, 24312501), (9, 13506945), (15, 8104167), (27, 4502315), (43, 2827035), (45, 2701389), (129, 942345), (135, 900463), (215, 565407), (387, 314115), (487, 249615), (645, 188469), (1161, 104705), (1461, 83205), (1849, 65745), (1935, 62823), (2435, 49923), (4383, 27735), (5547, 21915), (5805, 20941), (7305, 16641), (9245, 13149)]