201065571

素因数分解:

$3^4\times 7^3\times {\mathrm{7237}}^1$

素因数の和:7270

約数の個数: 40

約数和(自身を含む): 350319200

約数和(自身を除く): 149253629

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 343, 441, 567, 1029, 1323, 3087, 3969, 7237, 9261, 21711, 27783, 50659, 65133, 151977, 195399, 354613, 455931, 586197, 1063839, 1367793, 2482291, 3191517, 4103379, 7446873, 9574551, 22340619, 28723653, 67021857, 201065571]

約数ペア:

[(1, 201065571), (3, 67021857), (7, 28723653), (9, 22340619), (21, 9574551), (27, 7446873), (49, 4103379), (63, 3191517), (81, 2482291), (147, 1367793), (189, 1063839), (343, 586197), (441, 455931), (567, 354613), (1029, 195399), (1323, 151977), (3087, 65133), (3969, 50659), (7237, 27783), (9261, 21711)]