31991331

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{353}}^1\times {\mathrm{1777}}^1$

素因数の和:2150

約数の個数: 16

約数和(自身を含む): 45317664

約数和(自身を除く): 13326333

約数列:

[1, 3, 17, 51, 353, 1059, 1777, 5331, 6001, 18003, 30209, 90627, 627281, 1881843, 10663777, 31991331]

約数ペア:

[(1, 31991331), (3, 10663777), (17, 1881843), (51, 627281), (353, 90627), (1059, 30209), (1777, 18003), (5331, 6001)]