80711967

素因数分解:

$3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{9001}}^1$

素因数の和:9079

約数の個数: 24

約数和(自身を含む): 127252272

約数和(自身を除く): 46540305

約数列:

[1, 3, 7, 21, 49, 61, 147, 183, 427, 1281, 2989, 8967, 9001, 27003, 63007, 189021, 441049, 549061, 1323147, 1647183, 3843427, 11530281, 26903989, 80711967]

約数ペア:

[(1, 80711967), (3, 26903989), (7, 11530281), (21, 3843427), (49, 1647183), (61, 1323147), (147, 549061), (183, 441049), (427, 189021), (1281, 63007), (2989, 27003), (8967, 9001)]