31013857

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{1091}}^1$

素因数の和:1260

約数の個数: 16

約数和(自身を含む): 36900864

約数和(自身を除く): 5887007

約数列:

[1, 7, 31, 131, 217, 917, 1091, 4061, 7637, 28427, 33821, 142921, 236747, 1000447, 4430551, 31013857]

約数ペア:

[(1, 31013857), (7, 4430551), (31, 1000447), (131, 236747), (217, 142921), (917, 33821), (1091, 28427), (4061, 7637)]