197052009

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{77549}}^1$

素因数の和:77581

約数の個数: 24

約数和(自身を含む): 330052800

約数和(自身を除く): 133000791

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 2541, 77549, 232647, 542843, 853039, 1628529, 2559117, 5971273, 9383429, 17913819, 28150287, 65684003, 197052009]

約数ペア:

[(1, 197052009), (3, 65684003), (7, 28150287), (11, 17913819), (21, 9383429), (33, 5971273), (77, 2559117), (121, 1628529), (231, 853039), (363, 542843), (847, 232647), (2541, 77549)]