1272887

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:350

約数の個数: 16

約数和(自身を含む): 1618944

約数和(自身を除く): 346057

約数列:

[1, 7, 11, 61, 77, 271, 427, 671, 1897, 2981, 4697, 16531, 20867, 115717, 181841, 1272887]

約数ペア:

[(1, 1272887), (7, 181841), (11, 115717), (61, 20867), (77, 16531), (271, 4697), (427, 2981), (671, 1897)]