18900333

素因数分解:

$3^2\times {\mathrm{401}}^1\times {\mathrm{5237}}^1$

素因数の和:5644

約数の個数: 12

約数和(自身を含む): 27373788

約数和(自身を除く): 8473455

約数列:

[1, 3, 9, 401, 1203, 3609, 5237, 15711, 47133, 2100037, 6300111, 18900333]

約数ペア:

[(1, 18900333), (3, 6300111), (9, 2100037), (401, 47133), (1203, 15711), (3609, 5237)]