30131109

素因数分解:

$3^4\times {\mathrm{397}}^1\times {\mathrm{937}}^1$

素因数の和:1346

約数の個数: 20

約数和(自身を含む): 45172204

約数和(自身を除く): 15041095

約数列:

[1, 3, 9, 27, 81, 397, 937, 1191, 2811, 3573, 8433, 10719, 25299, 32157, 75897, 371989, 1115967, 3347901, 10043703, 30131109]

約数ペア:

[(1, 30131109), (3, 10043703), (9, 3347901), (27, 1115967), (81, 371989), (397, 75897), (937, 32157), (1191, 25299), (2811, 10719), (3573, 8433)]