81325993

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{283}}^1\times {\mathrm{673}}^1$

素因数の和:1024

約数の個数: 16

約数和(自身を含む): 94942336

約数和(自身を除く): 13616343

約数列:

[1, 7, 61, 283, 427, 673, 1981, 4711, 17263, 41053, 120841, 190459, 287371, 1333213, 11617999, 81325993]

約数ペア:

[(1, 81325993), (7, 11617999), (61, 1333213), (283, 287371), (427, 190459), (673, 120841), (1981, 41053), (4711, 17263)]