64680825

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{78401}}^1$

素因数の和:78425

約数の個数: 24

約数和(自身を含む): 116662176

約数和(自身を除く): 51981351

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275, 825, 78401, 235203, 392005, 862411, 1176015, 1960025, 2587233, 4312055, 5880075, 12936165, 21560275, 64680825]

約数ペア:

[(1, 64680825), (3, 21560275), (5, 12936165), (11, 5880075), (15, 4312055), (25, 2587233), (33, 1960025), (55, 1176015), (75, 862411), (165, 392005), (275, 235203), (825, 78401)]