201243975

素因数分解:

$3^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:464

約数の個数: 48

約数和(自身を含む): 340454400

約数和(自身を除く): 139210425

約数列:

[1, 3, 5, 15, 25, 75, 103, 109, 239, 309, 327, 515, 545, 717, 1195, 1545, 1635, 2575, 2725, 3585, 5975, 7725, 8175, 11227, 17925, 24617, 26051, 33681, 56135, 73851, 78153, 123085, 130255, 168405, 280675, 369255, 390765, 615425, 651275, 842025, 1846275, 1953825, 2683253, 8049759, 13416265, 40248795, 67081325, 201243975]

約数ペア:

[(1, 201243975), (3, 67081325), (5, 40248795), (15, 13416265), (25, 8049759), (75, 2683253), (103, 1953825), (109, 1846275), (239, 842025), (309, 651275), (327, 615425), (515, 390765), (545, 369255), (717, 280675), (1195, 168405), (1545, 130255), (1635, 123085), (2575, 78153), (2725, 73851), (3585, 56135), (5975, 33681), (7725, 26051), (8175, 24617), (11227, 17925)]