81247201

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{2917}}^1$

素因数の和:3120

約数の個数: 16

約数和(自身を含む): 97484544

約数和(自身を除く): 16237343

約数列:

[1, 7, 23, 161, 173, 1211, 2917, 3979, 20419, 27853, 67091, 469637, 504641, 3532487, 11606743, 81247201]

約数ペア:

[(1, 81247201), (7, 11606743), (23, 3532487), (161, 504641), (173, 469637), (1211, 67091), (2917, 27853), (3979, 20419)]