12420177

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{7681}}^1$

素因数の和:7709

約数の個数: 24

約数和(自身を含む): 21017952

約数和(自身を除く): 8597775

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 7681, 23043, 53767, 84491, 161301, 253473, 376369, 591437, 1129107, 1774311, 4140059, 12420177]

約数ペア:

[(1, 12420177), (3, 4140059), (7, 1774311), (11, 1129107), (21, 591437), (33, 376369), (49, 253473), (77, 161301), (147, 84491), (231, 53767), (539, 23043), (1617, 7681)]