201616209

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{146417}}^1$

素因数の和:146446

約数の個数: 20

約数和(自身を含む): 318898404

約数和(自身を除く): 117282195

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 146417, 439251, 1317753, 2489089, 3953259, 7467267, 11859777, 22401801, 67205403, 201616209]

約数ペア:

[(1, 201616209), (3, 67205403), (9, 22401801), (17, 11859777), (27, 7467267), (51, 3953259), (81, 2489089), (153, 1317753), (459, 439251), (1377, 146417)]