257357199

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{97}}^1\times {\mathrm{7309}}^1$

素因数の和:7431

約数の個数: 24

約数和(自身を含む): 381114160

約数和(自身を除く): 123756961

約数列:

[1, 3, 11, 33, 97, 121, 291, 363, 1067, 3201, 7309, 11737, 21927, 35211, 80399, 241197, 708973, 884389, 2126919, 2653167, 7798703, 23396109, 85785733, 257357199]

約数ペア:

[(1, 257357199), (3, 85785733), (11, 23396109), (33, 7798703), (97, 2653167), (121, 2126919), (291, 884389), (363, 708973), (1067, 241197), (3201, 80399), (7309, 35211), (11737, 21927)]