31356153

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{16831}}^1$

素因数の和:16866

約数の個数: 20

約数和(自身を含む): 48880128

約数和(自身を除く): 17523975

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 16831, 50493, 151479, 387113, 454437, 1161339, 1363311, 3484017, 10452051, 31356153]

約数ペア:

[(1, 31356153), (3, 10452051), (9, 3484017), (23, 1363311), (27, 1161339), (69, 454437), (81, 387113), (207, 151479), (621, 50493), (1863, 16831)]