210312855

素因数分解:

$3^9\times 5^1\times {\mathrm{2137}}^1$

素因数の和:2169

約数の個数: 40

約数和(自身を含む): 378733872

約数和(自身を除く): 168421017

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 2137, 2187, 3645, 6411, 6561, 10685, 10935, 19233, 19683, 32055, 32805, 57699, 96165, 98415, 173097, 288495, 519291, 865485, 1557873, 2596455, 4673619, 7789365, 14020857, 23368095, 42062571, 70104285, 210312855]

約数ペア:

[(1, 210312855), (3, 70104285), (5, 42062571), (9, 23368095), (15, 14020857), (27, 7789365), (45, 4673619), (81, 2596455), (135, 1557873), (243, 865485), (405, 519291), (729, 288495), (1215, 173097), (2137, 98415), (2187, 96165), (3645, 57699), (6411, 32805), (6561, 32055), (10685, 19683), (10935, 19233)]