90921047

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{18217}}^1$

素因数の和:18278

約数の個数: 16

約数和(自身を含む): 111931392

約数和(自身を除く): 21010345

約数列:

[1, 7, 23, 31, 161, 217, 713, 4991, 18217, 127519, 418991, 564727, 2932937, 3953089, 12988721, 90921047]

約数ペア:

[(1, 90921047), (7, 12988721), (23, 3953089), (31, 2932937), (161, 564727), (217, 418991), (713, 127519), (4991, 18217)]