1238804973

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{220939}}^1$

素因数の和:221041

約数の個数: 24

約数和(自身を含む): 2067998400

約数和(自身を除く): 829193427

約数列:

[1, 3, 7, 9, 21, 63, 89, 267, 623, 801, 1869, 5607, 220939, 662817, 1546573, 1988451, 4639719, 13919157, 19663571, 58990713, 137644997, 176972139, 412934991, 1238804973]

約数ペア:

[(1, 1238804973), (3, 412934991), (7, 176972139), (9, 137644997), (21, 58990713), (63, 19663571), (89, 13919157), (267, 4639719), (623, 1988451), (801, 1546573), (1869, 662817), (5607, 220939)]