217188027

素因数分解:

$3^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{19477}}^1$

素因数の和:19552

約数の個数: 32

約数和(自身を含む): 373977600

約数和(自身を除く): 156789573

約数列:

[1, 3, 7, 9, 21, 27, 59, 63, 177, 189, 413, 531, 1239, 1593, 3717, 11151, 19477, 58431, 136339, 175293, 409017, 525879, 1149143, 1227051, 3447429, 3681153, 8044001, 10342287, 24132003, 31026861, 72396009, 217188027]

約数ペア:

[(1, 217188027), (3, 72396009), (7, 31026861), (9, 24132003), (21, 10342287), (27, 8044001), (59, 3681153), (63, 3447429), (177, 1227051), (189, 1149143), (413, 525879), (531, 409017), (1239, 175293), (1593, 136339), (3717, 58431), (11151, 19477)]