80211021

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{149}}^1\times {\mathrm{1483}}^1$

素因数の和:1657

約数の個数: 24

約数和(自身を含む): 118423200

約数和(自身を除く): 38212179

約数列:

[1, 3, 11, 33, 121, 149, 363, 447, 1483, 1639, 4449, 4917, 16313, 18029, 48939, 54087, 179443, 220967, 538329, 662901, 2430637, 7291911, 26737007, 80211021]

約数ペア:

[(1, 80211021), (3, 26737007), (11, 7291911), (33, 2430637), (121, 662901), (149, 538329), (363, 220967), (447, 179443), (1483, 54087), (1639, 48939), (4449, 18029), (4917, 16313)]