66657969

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{571}}^1$

素因数の和:710

約数の個数: 48

約数和(自身を含む): 117786240

約数和(自身を除く): 51128271

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 109, 119, 153, 327, 357, 571, 763, 981, 1071, 1713, 1853, 2289, 3997, 5139, 5559, 6867, 9707, 11991, 12971, 16677, 29121, 35973, 38913, 62239, 67949, 87363, 116739, 186717, 203847, 435673, 560151, 611541, 1058063, 1307019, 3174189, 3921057, 7406441, 9522567, 22219323, 66657969]

約数ペア:

[(1, 66657969), (3, 22219323), (7, 9522567), (9, 7406441), (17, 3921057), (21, 3174189), (51, 1307019), (63, 1058063), (109, 611541), (119, 560151), (153, 435673), (327, 203847), (357, 186717), (571, 116739), (763, 87363), (981, 67949), (1071, 62239), (1713, 38913), (1853, 35973), (2289, 29121), (3997, 16677), (5139, 12971), (5559, 11991), (6867, 9707)]