3981681

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1087}}^1$

素因数の和:1141

約数の個数: 24

約数和(自身を含む): 6449664

約数和(自身を除く): 2467983

約数列:

[1, 3, 9, 11, 33, 37, 99, 111, 333, 407, 1087, 1221, 3261, 3663, 9783, 11957, 35871, 40219, 107613, 120657, 361971, 442409, 1327227, 3981681]

約数ペア:

[(1, 3981681), (3, 1327227), (9, 442409), (11, 361971), (33, 120657), (37, 107613), (99, 40219), (111, 35871), (333, 11957), (407, 9783), (1087, 3663), (1221, 3261)]