8724891

素因数分解:

$3^1\times 7^3\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:224

約数の個数: 32

約数和(自身を含む): 13888000

約数和(自身を除く): 5163109

約数列:

[1, 3, 7, 21, 49, 61, 139, 147, 183, 343, 417, 427, 973, 1029, 1281, 2919, 2989, 6811, 8479, 8967, 20433, 20923, 25437, 47677, 59353, 62769, 143031, 178059, 415471, 1246413, 2908297, 8724891]

約数ペア:

[(1, 8724891), (3, 2908297), (7, 1246413), (21, 415471), (49, 178059), (61, 143031), (139, 62769), (147, 59353), (183, 47677), (343, 25437), (417, 20923), (427, 20433), (973, 8967), (1029, 8479), (1281, 6811), (2919, 2989)]