15967721

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1583}}^1$

素因数の和:1732

約数の個数: 16

約数和(自身を含む): 20072448

約数和(自身を除く): 4104727

約数列:

[1, 7, 11, 77, 131, 917, 1441, 1583, 10087, 11081, 17413, 121891, 207373, 1451611, 2281103, 15967721]

約数ペア:

[(1, 15967721), (7, 2281103), (11, 1451611), (77, 207373), (131, 121891), (917, 17413), (1441, 11081), (1583, 10087)]