28081161

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{20393}}^1$

素因数の和:20422

約数の個数: 20

約数和(自身を含む): 44418132

約数和(自身を除く): 16336971

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 20393, 61179, 183537, 346681, 550611, 1040043, 1651833, 3120129, 9360387, 28081161]

約数ペア:

[(1, 28081161), (3, 9360387), (9, 3120129), (17, 1651833), (27, 1040043), (51, 550611), (81, 346681), (153, 183537), (459, 61179), (1377, 20393)]