131201091

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{20219}}^1$

素因数の和:20335

約数の個数: 24

約数和(自身を含む): 218699520

約数和(自身を除く): 87498429

約数列:

[1, 3, 7, 9, 21, 63, 103, 309, 721, 927, 2163, 6489, 20219, 60657, 141533, 181971, 424599, 1273797, 2082557, 6247671, 14577899, 18743013, 43733697, 131201091]

約数ペア:

[(1, 131201091), (3, 43733697), (7, 18743013), (9, 14577899), (21, 6247671), (63, 2082557), (103, 1273797), (309, 424599), (721, 181971), (927, 141533), (2163, 60657), (6489, 20219)]