258795

素因数分解:

$3^6\times 5^1\times {\mathrm{71}}^1$

素因数の和:94

約数の個数: 28

約数和(自身を含む): 472176

約数和(自身を除く): 213381

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 81, 135, 213, 243, 355, 405, 639, 729, 1065, 1215, 1917, 3195, 3645, 5751, 9585, 17253, 28755, 51759, 86265, 258795]

約数ペア:

[(1, 258795), (3, 86265), (5, 51759), (9, 28755), (15, 17253), (27, 9585), (45, 5751), (71, 3645), (81, 3195), (135, 1917), (213, 1215), (243, 1065), (355, 729), (405, 639)]