51313491

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{1979}}^1$

素因数の和:2095

約数の個数: 24

約数和(自身を含む): 77014080

約数和(自身を除く): 25700589

約数列:

[1, 3, 9, 43, 67, 129, 201, 387, 603, 1979, 2881, 5937, 8643, 17811, 25929, 85097, 132593, 255291, 397779, 765873, 1193337, 5701499, 17104497, 51313491]

約数ペア:

[(1, 51313491), (3, 17104497), (9, 5701499), (43, 1193337), (67, 765873), (129, 397779), (201, 255291), (387, 132593), (603, 85097), (1979, 25929), (2881, 17811), (5937, 8643)]