205651575

素因数分解:

$3^3\times 5^2\times {\mathrm{199}}^1\times {\mathrm{1531}}^1$

素因数の和:1749

約数の個数: 48

約数和(自身を含む): 379936000

約数和(自身を除く): 174284425

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 199, 225, 597, 675, 995, 1531, 1791, 2985, 4593, 4975, 5373, 7655, 8955, 13779, 14925, 22965, 26865, 38275, 41337, 44775, 68895, 114825, 134325, 206685, 304669, 344475, 914007, 1033425, 1523345, 2742021, 4570035, 7616725, 8226063, 13710105, 22850175, 41130315, 68550525, 205651575]

約数ペア:

[(1, 205651575), (3, 68550525), (5, 41130315), (9, 22850175), (15, 13710105), (25, 8226063), (27, 7616725), (45, 4570035), (75, 2742021), (135, 1523345), (199, 1033425), (225, 914007), (597, 344475), (675, 304669), (995, 206685), (1531, 134325), (1791, 114825), (2985, 68895), (4593, 44775), (4975, 41337), (5373, 38275), (7655, 26865), (8955, 22965), (13779, 14925)]