7990893

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{2099}}^1$

素因数の和:2158

約数の個数: 20

約数和(自身を含む): 12196800

約数和(自身を除く): 4205907

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 2099, 3807, 6297, 18891, 56673, 98653, 170019, 295959, 887877, 2663631, 7990893]

約数ペア:

[(1, 7990893), (3, 2663631), (9, 887877), (27, 295959), (47, 170019), (81, 98653), (141, 56673), (423, 18891), (1269, 6297), (2099, 3807)]