972825

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1$

素因数の和:146

約数の個数: 48

約数和(自身を含む): 1964160

約数和(自身を除く): 991335

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 51, 75, 85, 105, 109, 119, 175, 255, 327, 357, 425, 525, 545, 595, 763, 1275, 1635, 1785, 1853, 2289, 2725, 2975, 3815, 5559, 8175, 8925, 9265, 11445, 12971, 19075, 27795, 38913, 46325, 57225, 64855, 138975, 194565, 324275, 972825]

約数ペア:

[(1, 972825), (3, 324275), (5, 194565), (7, 138975), (15, 64855), (17, 57225), (21, 46325), (25, 38913), (35, 27795), (51, 19075), (75, 12971), (85, 11445), (105, 9265), (109, 8925), (119, 8175), (175, 5559), (255, 3815), (327, 2975), (357, 2725), (425, 2289), (525, 1853), (545, 1785), (595, 1635), (763, 1275)]