207425907

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{1637}}^1$

素因数の和:1697

約数の個数: 48

約数和(自身を含む): 349483680

約数和(自身を除く): 142057773

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 117, 171, 247, 351, 361, 513, 741, 1083, 1637, 2223, 3249, 4693, 4911, 6669, 9747, 14079, 14733, 21281, 31103, 42237, 44199, 63843, 93309, 126711, 191529, 279927, 404339, 574587, 590957, 839781, 1213017, 1772871, 3639051, 5318613, 7682441, 10917153, 15955839, 23047323, 69141969, 207425907]

約数ペア:

[(1, 207425907), (3, 69141969), (9, 23047323), (13, 15955839), (19, 10917153), (27, 7682441), (39, 5318613), (57, 3639051), (117, 1772871), (171, 1213017), (247, 839781), (351, 590957), (361, 574587), (513, 404339), (741, 279927), (1083, 191529), (1637, 126711), (2223, 93309), (3249, 63843), (4693, 44199), (4911, 42237), (6669, 31103), (9747, 21281), (14079, 14733)]