30917781

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{22453}}^1$

素因数の和:22482

約数の個数: 20

約数和(自身を含む): 48904812

約数和(自身を除く): 17987031

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 22453, 67359, 202077, 381701, 606231, 1145103, 1818693, 3435309, 10305927, 30917781]

約数ペア:

[(1, 30917781), (3, 10305927), (9, 3435309), (17, 1818693), (27, 1145103), (51, 606231), (81, 381701), (153, 202077), (459, 67359), (1377, 22453)]