204532209

素因数分解:

$3^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{8389}}^1$

素因数の和:8451

約数の個数: 40

約数和(自身を含む): 357346880

約数和(自身を除く): 152814671

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 81, 129, 189, 301, 387, 567, 903, 1161, 2709, 3483, 8127, 8389, 24381, 25167, 58723, 75501, 176169, 226503, 360727, 528507, 679509, 1082181, 1585521, 2525089, 3246543, 4756563, 7575267, 9739629, 22725801, 29218887, 68177403, 204532209]

約数ペア:

[(1, 204532209), (3, 68177403), (7, 29218887), (9, 22725801), (21, 9739629), (27, 7575267), (43, 4756563), (63, 3246543), (81, 2525089), (129, 1585521), (189, 1082181), (301, 679509), (387, 528507), (567, 360727), (903, 226503), (1161, 176169), (2709, 75501), (3483, 58723), (8127, 25167), (8389, 24381)]