55400259

素因数分解:

$3^1\times {\mathrm{83}}^1\times {\mathrm{271}}^1\times {\mathrm{821}}^1$

素因数の和:1178

約数の個数: 16

約数和(自身を含む): 75124224

約数和(自身を除く): 19723965

約数列:

[1, 3, 83, 249, 271, 813, 821, 2463, 22493, 67479, 68143, 204429, 222491, 667473, 18466753, 55400259]

約数ペア:

[(1, 55400259), (3, 18466753), (83, 667473), (249, 222491), (271, 204429), (813, 68143), (821, 67479), (2463, 22493)]