17801421

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1$

素因数の和:337

約数の個数: 32

約数和(自身を含む): 27095040

約数和(自身を除く): 9293619

約数列:

[1, 3, 11, 33, 41, 59, 123, 177, 223, 451, 649, 669, 1353, 1947, 2419, 2453, 7257, 7359, 9143, 13157, 26609, 27429, 39471, 79827, 100573, 144727, 301719, 434181, 539437, 1618311, 5933807, 17801421]

約数ペア:

[(1, 17801421), (3, 5933807), (11, 1618311), (33, 539437), (41, 434181), (59, 301719), (123, 144727), (177, 100573), (223, 79827), (451, 39471), (649, 27429), (669, 26609), (1353, 13157), (1947, 9143), (2419, 7359), (2453, 7257)]