204491521

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{653}}^1$

素因数の和:805

約数の個数: 24

約数和(自身を含む): 236970360

約数和(自身を除く): 32478839

約数列:

[1, 13, 17, 109, 169, 221, 653, 1417, 1853, 2873, 8489, 11101, 18421, 24089, 71177, 110357, 144313, 313157, 925301, 1210009, 1876069, 12028913, 15730117, 204491521]

約数ペア:

[(1, 204491521), (13, 15730117), (17, 12028913), (109, 1876069), (169, 1210009), (221, 925301), (653, 313157), (1417, 144313), (1853, 110357), (2873, 71177), (8489, 24089), (11101, 18421)]