989647551

素因数分解:

$3^4\times {\mathrm{2447}}^1\times {\mathrm{4993}}^1$

素因数の和:7452

約数の個数: 20

約数和(自身を含む): 1479262752

約数和(自身を除く): 489615201

約数列:

[1, 3, 9, 27, 81, 2447, 4993, 7341, 14979, 22023, 44937, 66069, 134811, 198207, 404433, 12217871, 36653613, 109960839, 329882517, 989647551]

約数ペア:

[(1, 989647551), (3, 329882517), (9, 109960839), (27, 36653613), (81, 12217871), (2447, 404433), (4993, 198207), (7341, 134811), (14979, 66069), (22023, 44937)]