215055

素因数分解:

$3^6\times 5^1\times {\mathrm{59}}^1$

素因数の和:82

約数の個数: 28

約数和(自身を含む): 393480

約数和(自身を除く): 178425

約数列:

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

約数ペア:

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