1911357

素因数分解:

$3^4\times 7^1\times {\mathrm{3371}}^1$

素因数の和:3390

約数の個数: 20

約数和(自身を含む): 3264096

約数和(自身を除く): 1352739

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 3371, 10113, 23597, 30339, 70791, 91017, 212373, 273051, 637119, 1911357]

約数ペア:

[(1, 1911357), (3, 637119), (7, 273051), (9, 212373), (21, 91017), (27, 70791), (63, 30339), (81, 23597), (189, 10113), (567, 3371)]