25421979

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{1187}}^1$

素因数の和:1271

約数の個数: 24

約数和(自身を含む): 37920960

約数和(自身を除く): 12498981

約数列:

[1, 3, 11, 33, 59, 121, 177, 363, 649, 1187, 1947, 3561, 7139, 13057, 21417, 39171, 70033, 143627, 210099, 430881, 770363, 2311089, 8473993, 25421979]

約数ペア:

[(1, 25421979), (3, 8473993), (11, 2311089), (33, 770363), (59, 430881), (121, 210099), (177, 143627), (363, 70033), (649, 39171), (1187, 21417), (1947, 13057), (3561, 7139)]