30289059

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{19681}}^1$

素因数の和:19712

約数の個数: 20

約数和(自身を含む): 47630440

約数和(自身を除く): 17341381

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 19681, 59043, 177129, 373939, 531387, 1121817, 1594161, 3365451, 10096353, 30289059]

約数ペア:

[(1, 30289059), (3, 10096353), (9, 3365451), (19, 1594161), (27, 1121817), (57, 531387), (81, 373939), (171, 177129), (513, 59043), (1539, 19681)]