39917871

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{5813}}^1$

素因数の和:5935

約数の個数: 24

約数和(自身を含む): 66512160

約数和(自身を除く): 26594289

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 2289, 5813, 6867, 17439, 40691, 52317, 122073, 366219, 633617, 1900851, 4435319, 5702553, 13305957, 39917871]

約数ペア:

[(1, 39917871), (3, 13305957), (7, 5702553), (9, 4435319), (21, 1900851), (63, 633617), (109, 366219), (327, 122073), (763, 52317), (981, 40691), (2289, 17439), (5813, 6867)]