890403921

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{999331}}^1$

素因数の和:999354

約数の個数: 20

約数和(自身を含む): 1451030064

約数和(自身を除く): 560626143

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 999331, 2997993, 8993979, 10992641, 26981937, 32977923, 80945811, 98933769, 296801307, 890403921]

約数ペア:

[(1, 890403921), (3, 296801307), (9, 98933769), (11, 80945811), (27, 32977923), (33, 26981937), (81, 10992641), (99, 8993979), (297, 2997993), (891, 999331)]