1331902431

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{3999707}}^1$

素因数の和:3999750

約数の個数: 12

約数和(自身を含む): 1975855752

約数和(自身を除く): 643953321

約数列:

[1, 3, 9, 37, 111, 333, 3999707, 11999121, 35997363, 147989159, 443967477, 1331902431]

約数ペア:

[(1, 1331902431), (3, 443967477), (9, 147989159), (37, 35997363), (111, 11999121), (333, 3999707)]