83981919

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{210481}}^1$

素因数の和:210510

約数の個数: 16

約数和(自身を含む): 134708480

約数和(自身を除く): 50726561

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 210481, 631443, 1473367, 3999139, 4420101, 11997417, 27993973, 83981919]

約数ペア:

[(1, 83981919), (3, 27993973), (7, 11997417), (19, 4420101), (21, 3999139), (57, 1473367), (133, 631443), (399, 210481)]