205191567

素因数分解:

$3^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{8779}}^1$

素因数の和:8852

約数の個数: 36

約数和(自身を含む): 351322920

約数和(自身を除く): 146131353

約数列:

[1, 3, 7, 9, 21, 49, 53, 63, 147, 159, 371, 441, 477, 1113, 2597, 3339, 7791, 8779, 23373, 26337, 61453, 79011, 184359, 430171, 465287, 553077, 1290513, 1395861, 3257009, 3871539, 4187583, 9771027, 22799063, 29313081, 68397189, 205191567]

約数ペア:

[(1, 205191567), (3, 68397189), (7, 29313081), (9, 22799063), (21, 9771027), (49, 4187583), (53, 3871539), (63, 3257009), (147, 1395861), (159, 1290513), (371, 553077), (441, 465287), (477, 430171), (1113, 184359), (2597, 79011), (3339, 61453), (7791, 26337), (8779, 23373)]