776385

素因数分解:

$3^7\times 5^1\times {\mathrm{71}}^1$

素因数の和:97

約数の個数: 32

約数和(自身を含む): 1416960

約数和(自身を除く): 640575

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 81, 135, 213, 243, 355, 405, 639, 729, 1065, 1215, 1917, 2187, 3195, 3645, 5751, 9585, 10935, 17253, 28755, 51759, 86265, 155277, 258795, 776385]

約数ペア:

[(1, 776385), (3, 258795), (5, 155277), (9, 86265), (15, 51759), (27, 28755), (45, 17253), (71, 10935), (81, 9585), (135, 5751), (213, 3645), (243, 3195), (355, 2187), (405, 1917), (639, 1215), (729, 1065)]