30921885

素因数分解:

$3^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{2027}}^1$

素因数の和:2154

約数の個数: 32

約数和(自身を含む): 55486080

約数和(自身を除く): 24564195

約数列:

[1, 3, 5, 9, 15, 27, 45, 113, 135, 339, 565, 1017, 1695, 2027, 3051, 5085, 6081, 10135, 15255, 18243, 30405, 54729, 91215, 229051, 273645, 687153, 1145255, 2061459, 3435765, 6184377, 10307295, 30921885]

約数ペア:

[(1, 30921885), (3, 10307295), (5, 6184377), (9, 3435765), (15, 2061459), (27, 1145255), (45, 687153), (113, 273645), (135, 229051), (339, 91215), (565, 54729), (1017, 30405), (1695, 18243), (2027, 15255), (3051, 10135), (5085, 6081)]