42591987

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{30931}}^1$

素因数の和:30960

約数の個数: 20

約数和(自身を含む): 67369896

約数和(自身を除く): 24777909

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 30931, 92793, 278379, 525827, 835137, 1577481, 2505411, 4732443, 14197329, 42591987]

約数ペア:

[(1, 42591987), (3, 14197329), (9, 4732443), (17, 2505411), (27, 1577481), (51, 835137), (81, 525827), (153, 278379), (459, 92793), (1377, 30931)]