9971829

素因数分解:

$3^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:471

約数の個数: 40

約数和(自身を含む): 17462720

約数和(自身を除く): 7490891

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 81, 129, 189, 301, 387, 409, 567, 903, 1161, 1227, 2709, 2863, 3483, 3681, 8127, 8589, 11043, 17587, 24381, 25767, 33129, 52761, 77301, 123109, 158283, 231903, 369327, 474849, 1107981, 1424547, 3323943, 9971829]

約数ペア:

[(1, 9971829), (3, 3323943), (7, 1424547), (9, 1107981), (21, 474849), (27, 369327), (43, 231903), (63, 158283), (81, 123109), (129, 77301), (189, 52761), (301, 33129), (387, 25767), (409, 24381), (567, 17587), (903, 11043), (1161, 8589), (1227, 8127), (2709, 3681), (2863, 3483)]