2456421

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:193

約数の個数: 24

約数和(自身を含む): 3689952

約数和(自身を除く): 1233531

約数列:

[1, 3, 11, 33, 67, 101, 121, 201, 303, 363, 737, 1111, 2211, 3333, 6767, 8107, 12221, 20301, 24321, 36663, 74437, 223311, 818807, 2456421]

約数ペア:

[(1, 2456421), (3, 818807), (11, 223311), (33, 74437), (67, 36663), (101, 24321), (121, 20301), (201, 12221), (303, 8107), (363, 6767), (737, 3333), (1111, 2211)]