81736039

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{3917}}^1$

素因数の和:4206

約数の個数: 16

約数和(自身を含む): 102306816

約数和(自身を除く): 20570777

約数列:

[1, 7, 11, 77, 271, 1897, 2981, 3917, 20867, 27419, 43087, 301609, 1061507, 7430549, 11676577, 81736039]

約数ペア:

[(1, 81736039), (7, 11676577), (11, 7430549), (77, 1061507), (271, 301609), (1897, 43087), (2981, 27419), (3917, 20867)]