81463599

素因数分解:

$3^2\times 7^1\times {\mathrm{643}}^1\times {\mathrm{2011}}^1$

素因数の和:2667

約数の個数: 24

約数和(自身を含む): 134755712

約数和(自身を除く): 53292113

約数列:

[1, 3, 7, 9, 21, 63, 643, 1929, 2011, 4501, 5787, 6033, 13503, 14077, 18099, 40509, 42231, 126693, 1293073, 3879219, 9051511, 11637657, 27154533, 81463599]

約数ペア:

[(1, 81463599), (3, 27154533), (7, 11637657), (9, 9051511), (21, 3879219), (63, 1293073), (643, 126693), (1929, 42231), (2011, 40509), (4501, 18099), (5787, 14077), (6033, 13503)]