64935927

素因数分解:

$3^2\times 7^2\times {\mathrm{229}}^1\times {\mathrm{643}}^1$

素因数の和:892

約数の個数: 36

約数和(自身を含む): 109756920

約数和(自身を除く): 44820993

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 229, 441, 643, 687, 1603, 1929, 2061, 4501, 4809, 5787, 11221, 13503, 14427, 31507, 33663, 40509, 94521, 100989, 147247, 283563, 441741, 1030729, 1325223, 3092187, 7215103, 9276561, 21645309, 64935927]

約数ペア:

[(1, 64935927), (3, 21645309), (7, 9276561), (9, 7215103), (21, 3092187), (49, 1325223), (63, 1030729), (147, 441741), (229, 283563), (441, 147247), (643, 100989), (687, 94521), (1603, 40509), (1929, 33663), (2061, 31507), (4501, 14427), (4809, 13503), (5787, 11221)]