213992307

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{3001}}^1$

素因数の和:3168

約数の個数: 32

約数和(自身を含む): 336224000

約数和(自身を除く): 122231693

約数列:

[1, 3, 9, 19, 27, 57, 139, 171, 417, 513, 1251, 2641, 3001, 3753, 7923, 9003, 23769, 27009, 57019, 71307, 81027, 171057, 417139, 513171, 1251417, 1539513, 3754251, 7925641, 11262753, 23776923, 71330769, 213992307]

約数ペア:

[(1, 213992307), (3, 71330769), (9, 23776923), (19, 11262753), (27, 7925641), (57, 3754251), (139, 1539513), (171, 1251417), (417, 513171), (513, 417139), (1251, 171057), (2641, 81027), (3001, 71307), (3753, 57019), (7923, 27009), (9003, 23769)]