205433145

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^2\times {\mathrm{823}}^1$

素因数の和:923

約数の個数: 48

約数和(自身を含む): 374359680

約数和(自身を除く): 168926535

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 645, 823, 1161, 1849, 1935, 2469, 4115, 5547, 5805, 7407, 9245, 12345, 16641, 22221, 27735, 35389, 37035, 49923, 83205, 106167, 111105, 176945, 249615, 318501, 530835, 955503, 1521727, 1592505, 4565181, 4777515, 7608635, 13695543, 22825905, 41086629, 68477715, 205433145]

約数ペア:

[(1, 205433145), (3, 68477715), (5, 41086629), (9, 22825905), (15, 13695543), (27, 7608635), (43, 4777515), (45, 4565181), (129, 1592505), (135, 1521727), (215, 955503), (387, 530835), (645, 318501), (823, 249615), (1161, 176945), (1849, 111105), (1935, 106167), (2469, 83205), (4115, 49923), (5547, 37035), (5805, 35389), (7407, 27735), (9245, 22221), (12345, 16641)]