239771583

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{155797}}^1$

素因数の和:155828

約数の個数: 20

約数和(自身を含む): 377031160

約数和(自身を除く): 137259577

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 155797, 467391, 1402173, 2960143, 4206519, 8880429, 12619557, 26641287, 79923861, 239771583]

約数ペア:

[(1, 239771583), (3, 79923861), (9, 26641287), (19, 12619557), (27, 8880429), (57, 4206519), (81, 2960143), (171, 1402173), (513, 467391), (1539, 155797)]