198110529

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{27481}}^1$

素因数の和:27582

約数の個数: 20

約数和(自身を含む): 299278980

約数和(自身を除く): 101168451

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 7209, 27481, 82443, 247329, 741987, 2225961, 2445809, 7337427, 22012281, 66036843, 198110529]

約数ペア:

[(1, 198110529), (3, 66036843), (9, 22012281), (27, 7337427), (81, 2445809), (89, 2225961), (267, 741987), (801, 247329), (2403, 82443), (7209, 27481)]