7742385

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{2731}}^1$

素因数の和:2755

約数の個数: 40

約数和(自身を含む): 15867456

約数和(自身を除く): 8125071

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2731, 2835, 8193, 13655, 19117, 24579, 40965, 57351, 73737, 95585, 122895, 172053, 221211, 286755, 368685, 516159, 860265, 1106055, 1548477, 2580795, 7742385]

約数ペア:

[(1, 7742385), (3, 2580795), (5, 1548477), (7, 1106055), (9, 860265), (15, 516159), (21, 368685), (27, 286755), (35, 221211), (45, 172053), (63, 122895), (81, 95585), (105, 73737), (135, 57351), (189, 40965), (315, 24579), (405, 19117), (567, 13655), (945, 8193), (2731, 2835)]