205768575

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{379}}^1$

素因数の和:541

約数の個数: 72

約数和(自身を含む): 392038400

約数和(自身を除く): 186269825

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 127, 171, 225, 285, 379, 381, 475, 635, 855, 1137, 1143, 1425, 1895, 1905, 2413, 3175, 3411, 4275, 5685, 5715, 7201, 7239, 9475, 9525, 12065, 17055, 21603, 21717, 28425, 28575, 36005, 36195, 48133, 60325, 64809, 85275, 108015, 108585, 144399, 180025, 180975, 240665, 324045, 433197, 540075, 542925, 721995, 914527, 1203325, 1620225, 2165985, 2743581, 3609975, 4572635, 8230743, 10829925, 13717905, 22863175, 41153715, 68589525, 205768575]

約数ペア:

[(1, 205768575), (3, 68589525), (5, 41153715), (9, 22863175), (15, 13717905), (19, 10829925), (25, 8230743), (45, 4572635), (57, 3609975), (75, 2743581), (95, 2165985), (127, 1620225), (171, 1203325), (225, 914527), (285, 721995), (379, 542925), (381, 540075), (475, 433197), (635, 324045), (855, 240665), (1137, 180975), (1143, 180025), (1425, 144399), (1895, 108585), (1905, 108015), (2413, 85275), (3175, 64809), (3411, 60325), (4275, 48133), (5685, 36195), (5715, 36005), (7201, 28575), (7239, 28425), (9475, 21717), (9525, 21603), (12065, 17055)]