209390571

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{4463}}^1$

素因数の和:4883

約数の個数: 24

約数和(自身を含む): 326604096

約数和(自身を除く): 117213525

約数列:

[1, 3, 9, 13, 39, 117, 401, 1203, 3609, 4463, 5213, 13389, 15639, 40167, 46917, 58019, 174057, 522171, 1789663, 5368989, 16106967, 23265619, 69796857, 209390571]

約数ペア:

[(1, 209390571), (3, 69796857), (9, 23265619), (13, 16106967), (39, 5368989), (117, 1789663), (401, 522171), (1203, 174057), (3609, 58019), (4463, 46917), (5213, 40167), (13389, 15639)]