30721329

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{66931}}^1$

素因数の和:66957

約数の個数: 16

約数和(自身を含む): 48191040

約数和(自身を除く): 17469711

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 66931, 200793, 602379, 1137827, 1807137, 3413481, 10240443, 30721329]

約数ペア:

[(1, 30721329), (3, 10240443), (9, 3413481), (17, 1807137), (27, 1137827), (51, 602379), (153, 200793), (459, 66931)]