81368021

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{271}}^1\times {\mathrm{727}}^1$

素因数の和:1064

約数の個数: 16

約数和(自身を含む): 95047680

約数和(自身を除く): 13679659

約数列:

[1, 7, 59, 271, 413, 727, 1897, 5089, 15989, 42893, 111923, 197017, 300251, 1379119, 11624003, 81368021]

約数ペア:

[(1, 81368021), (7, 11624003), (59, 1379119), (271, 300251), (413, 197017), (727, 111923), (1897, 42893), (5089, 15989)]