64220919

素因数分解:

$3^1\times 7^3\times {\mathrm{139}}^1\times {\mathrm{449}}^1$

素因数の和:612

約数の個数: 32

約数和(自身を含む): 100800000

約数和(自身を除く): 36579081

約数列:

[1, 3, 7, 21, 49, 139, 147, 343, 417, 449, 973, 1029, 1347, 2919, 3143, 6811, 9429, 20433, 22001, 47677, 62411, 66003, 143031, 154007, 187233, 436877, 462021, 1310631, 3058139, 9174417, 21406973, 64220919]

約数ペア:

[(1, 64220919), (3, 21406973), (7, 9174417), (21, 3058139), (49, 1310631), (139, 462021), (147, 436877), (343, 187233), (417, 154007), (449, 143031), (973, 66003), (1029, 62411), (1347, 47677), (2919, 22001), (3143, 20433), (6811, 9429)]