81290993

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1\times {\mathrm{1877}}^1$

素因数の和:2176

約数の個数: 16

約数和(自身を含む): 97355520

約数和(自身を除く): 16064527

約数列:

[1, 7, 23, 161, 269, 1877, 1883, 6187, 13139, 43171, 43309, 302197, 504913, 3534391, 11612999, 81290993]

約数ペア:

[(1, 81290993), (7, 11612999), (23, 3534391), (161, 504913), (269, 302197), (1877, 43309), (1883, 43171), (6187, 13139)]