645165

素因数分解:

$3^7\times 5^1\times {\mathrm{59}}^1$

素因数の和:85

約数の個数: 32

約数和(自身を含む): 1180800

約数和(自身を除く): 535635

約数列:

[1, 3, 5, 9, 15, 27, 45, 59, 81, 135, 177, 243, 295, 405, 531, 729, 885, 1215, 1593, 2187, 2655, 3645, 4779, 7965, 10935, 14337, 23895, 43011, 71685, 129033, 215055, 645165]

約数ペア:

[(1, 645165), (3, 215055), (5, 129033), (9, 71685), (15, 43011), (27, 23895), (45, 14337), (59, 10935), (81, 7965), (135, 4779), (177, 3645), (243, 2655), (295, 2187), (405, 1593), (531, 1215), (729, 885)]