77281371

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{56123}}^1$

素因数の和:56152

約数の個数: 20

約数和(自身を含む): 122238072

約数和(自身を除く): 44956701

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 56123, 168369, 505107, 954091, 1515321, 2862273, 4545963, 8586819, 25760457, 77281371]

約数ペア:

[(1, 77281371), (3, 25760457), (9, 8586819), (17, 4545963), (27, 2862273), (51, 1515321), (81, 954091), (153, 505107), (459, 168369), (1377, 56123)]