25819857

素因数分解:

$3^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2039}}^1$

素因数の和:2122

約数の個数: 32

約数和(自身を含む): 44390400

約数和(自身を除く): 18570543

約数列:

[1, 3, 7, 9, 21, 27, 63, 67, 189, 201, 469, 603, 1407, 1809, 2039, 4221, 6117, 12663, 14273, 18351, 42819, 55053, 128457, 136613, 385371, 409839, 956291, 1229517, 2868873, 3688551, 8606619, 25819857]

約数ペア:

[(1, 25819857), (3, 8606619), (7, 3688551), (9, 2868873), (21, 1229517), (27, 956291), (63, 409839), (67, 385371), (189, 136613), (201, 128457), (469, 55053), (603, 42819), (1407, 18351), (1809, 14273), (2039, 12663), (4221, 6117)]