42181347

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^2\times {\mathrm{157}}^1$

素因数の和:339

約数の個数: 24

約数和(自身を含む): 61697104

約数和(自身を除く): 19515757

約数列:

[1, 3, 13, 39, 83, 157, 249, 471, 1079, 2041, 3237, 6123, 6889, 13031, 20667, 39093, 89557, 169403, 268671, 508209, 1081573, 3244719, 14060449, 42181347]

約数ペア:

[(1, 42181347), (3, 14060449), (13, 3244719), (39, 1081573), (83, 508209), (157, 268671), (249, 169403), (471, 89557), (1079, 39093), (2041, 20667), (3237, 13031), (6123, 6889)]