8386821

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{2203}}^1$

素因数の和:2262

約数の個数: 20

約数和(自身を含む): 12800832

約数和(自身を除く): 4414011

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 2203, 3807, 6609, 19827, 59481, 103541, 178443, 310623, 931869, 2795607, 8386821]

約数ペア:

[(1, 8386821), (3, 2795607), (9, 931869), (27, 310623), (47, 178443), (81, 103541), (141, 59481), (423, 19827), (1269, 6609), (2203, 3807)]