120705879

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{857}}^1$

素因数の和:1239

約数の個数: 32

約数和(自身を含む): 194388480

約数和(自身を除く): 73682601

約数列:

[1, 3, 7, 19, 21, 57, 133, 353, 399, 857, 1059, 2471, 2571, 5999, 6707, 7413, 16283, 17997, 20121, 46949, 48849, 113981, 140847, 302521, 341943, 907563, 2117647, 5747899, 6352941, 17243697, 40235293, 120705879]

約数ペア:

[(1, 120705879), (3, 40235293), (7, 17243697), (19, 6352941), (21, 5747899), (57, 2117647), (133, 907563), (353, 341943), (399, 302521), (857, 140847), (1059, 113981), (2471, 48849), (2571, 46949), (5999, 20121), (6707, 17997), (7413, 16283)]