30906813

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{20161}}^1$

素因数の和:20244

約数の個数: 16

約数和(自身を含む): 47743616

約数和(自身を除く): 16836803

約数列:

[1, 3, 7, 21, 73, 219, 511, 1533, 20161, 60483, 141127, 423381, 1471753, 4415259, 10302271, 30906813]

約数ペア:

[(1, 30906813), (3, 10302271), (7, 4415259), (21, 1471753), (73, 423381), (219, 141127), (511, 60483), (1533, 20161)]