81442921

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{4217}}^1$

素因数の和:4344

約数の個数: 16

約数和(自身を含む): 97182720

約数和(自身を除く): 15739799

約数列:

[1, 7, 31, 89, 217, 623, 2759, 4217, 19313, 29519, 130727, 375313, 915089, 2627191, 11634703, 81442921]

約数ペア:

[(1, 81442921), (7, 11634703), (31, 2627191), (89, 915089), (217, 375313), (623, 130727), (2759, 29519), (4217, 19313)]