205259327

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{359}}^1$

素因数の和:543

約数の個数: 32

約数和(自身を含む): 259983360

約数和(自身を除く): 54724033

約数列:

[1, 7, 13, 61, 91, 103, 359, 427, 721, 793, 1339, 2513, 4667, 5551, 6283, 9373, 21899, 32669, 36977, 43981, 81679, 153293, 258839, 284687, 480701, 571753, 1992809, 2255597, 3364907, 15789179, 29322761, 205259327]

約数ペア:

[(1, 205259327), (7, 29322761), (13, 15789179), (61, 3364907), (91, 2255597), (103, 1992809), (359, 571753), (427, 480701), (721, 284687), (793, 258839), (1339, 153293), (2513, 81679), (4667, 43981), (5551, 36977), (6283, 32669), (9373, 21899)]