9900999

素因数分解:

$3^2\times {\mathrm{617}}^1\times {\mathrm{1783}}^1$

素因数の和:2406

約数の個数: 12

約数和(自身を含む): 14332656

約数和(自身を除く): 4431657

約数列:

[1, 3, 9, 617, 1783, 1851, 5349, 5553, 16047, 1100111, 3300333, 9900999]

約数ペア:

[(1, 9900999), (3, 3300333), (9, 1100111), (617, 16047), (1783, 5553), (1851, 5349)]