457199721

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{513131}}^1$

素因数の和:513154

約数の個数: 20

約数和(自身を含む): 745067664

約数和(自身を除く): 287867943

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 513131, 1539393, 4618179, 5644441, 13854537, 16933323, 41563611, 50799969, 152399907, 457199721]

約数ペア:

[(1, 457199721), (3, 152399907), (9, 50799969), (11, 41563611), (27, 16933323), (33, 13854537), (81, 5644441), (99, 4618179), (297, 1539393), (891, 513131)]