15961231

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:247

約数の個数: 24

約数和(自身を含む): 19290320

約数和(自身を除く): 3329089

約数列:

[1, 11, 13, 73, 121, 139, 143, 803, 949, 1529, 1573, 1807, 8833, 10147, 10439, 16819, 19877, 111617, 114829, 131911, 218647, 1227787, 1451021, 15961231]

約数ペア:

[(1, 15961231), (11, 1451021), (13, 1227787), (73, 218647), (121, 131911), (139, 114829), (143, 111617), (803, 19877), (949, 16819), (1529, 10439), (1573, 10147), (1807, 8833)]