205700355

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{1723}}^1$

素因数の和:2120

約数の個数: 48

約数和(自身を含む): 408794880

約数和(自身を除く): 203094525

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 379, 1137, 1723, 1895, 2653, 3411, 5169, 5685, 7959, 8615, 12061, 13265, 15507, 17055, 23877, 25845, 36183, 39795, 60305, 77535, 108549, 119385, 180915, 542745, 653017, 1959051, 3265085, 4571119, 5877153, 9795255, 13713357, 22855595, 29385765, 41140071, 68566785, 205700355]

約数ペア:

[(1, 205700355), (3, 68566785), (5, 41140071), (7, 29385765), (9, 22855595), (15, 13713357), (21, 9795255), (35, 5877153), (45, 4571119), (63, 3265085), (105, 1959051), (315, 653017), (379, 542745), (1137, 180915), (1723, 119385), (1895, 108549), (2653, 77535), (3411, 60305), (5169, 39795), (5685, 36183), (7959, 25845), (8615, 23877), (12061, 17055), (13265, 15507)]