139825

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:81

約数の個数: 24

約数和(自身を含む): 214272

約数和(自身を除く): 74447

約数列:

[1, 5, 7, 17, 25, 35, 47, 85, 119, 175, 235, 329, 425, 595, 799, 1175, 1645, 2975, 3995, 5593, 8225, 19975, 27965, 139825]

約数ペア:

[(1, 139825), (5, 27965), (7, 19975), (17, 8225), (25, 5593), (35, 3995), (47, 2975), (85, 1645), (119, 1175), (175, 799), (235, 595), (329, 425)]