7854891

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:247

約数の個数: 32

約数和(自身を含む): 12165120

約数和(自身を除く): 4310229

約数列:

[1, 3, 11, 23, 33, 69, 79, 131, 237, 253, 393, 759, 869, 1441, 1817, 2607, 3013, 4323, 5451, 9039, 10349, 19987, 31047, 33143, 59961, 99429, 113839, 238027, 341517, 714081, 2618297, 7854891]

約数ペア:

[(1, 7854891), (3, 2618297), (11, 714081), (23, 341517), (33, 238027), (69, 113839), (79, 99429), (131, 59961), (237, 33143), (253, 31047), (393, 19987), (759, 10349), (869, 9039), (1441, 5451), (1817, 4323), (2607, 3013)]