201990051

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{102481}}^1$

素因数の和:102563

約数の個数: 16

約数和(自身を含む): 303346720

約数和(自身を除く): 101356669

約数列:

[1, 3, 9, 27, 73, 219, 657, 1971, 102481, 307443, 922329, 2766987, 7481113, 22443339, 67330017, 201990051]

約数ペア:

[(1, 201990051), (3, 67330017), (9, 22443339), (27, 7481113), (73, 2766987), (219, 922329), (657, 307443), (1971, 102481)]