131558223

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{991}}^1$

素因数の和:1167

約数の個数: 32

約数和(自身を含む): 197130240

約数和(自身を除く): 65572017

約数列:

[1, 3, 17, 19, 51, 57, 137, 323, 411, 969, 991, 2329, 2603, 2973, 6987, 7809, 16847, 18829, 44251, 50541, 56487, 132753, 135767, 320093, 407301, 960279, 2308039, 2579573, 6924117, 7738719, 43852741, 131558223]

約数ペア:

[(1, 131558223), (3, 43852741), (17, 7738719), (19, 6924117), (51, 2579573), (57, 2308039), (137, 960279), (323, 407301), (411, 320093), (969, 135767), (991, 132753), (2329, 56487), (2603, 50541), (2973, 44251), (6987, 18829), (7809, 16847)]