13142979

素因数分解:

$3^4\times {\mathrm{211}}^1\times {\mathrm{769}}^1$

素因数の和:992

約数の個数: 20

約数和(自身を含む): 19752040

約数和(自身を除く): 6609061

約数列:

[1, 3, 9, 27, 81, 211, 633, 769, 1899, 2307, 5697, 6921, 17091, 20763, 62289, 162259, 486777, 1460331, 4380993, 13142979]

約数ペア:

[(1, 13142979), (3, 4380993), (9, 1460331), (27, 486777), (81, 162259), (211, 62289), (633, 20763), (769, 17091), (1899, 6921), (2307, 5697)]