78272811

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{56843}}^1$

素因数の和:56872

約数の個数: 20

約数和(自身を含む): 123806232

約数和(自身を除く): 45533421

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 56843, 170529, 511587, 966331, 1534761, 2898993, 4604283, 8696979, 26090937, 78272811]

約数ペア:

[(1, 78272811), (3, 26090937), (9, 8696979), (17, 4604283), (27, 2898993), (51, 1534761), (81, 966331), (153, 511587), (459, 170529), (1377, 56843)]