68845647

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 107025408

約数和(自身を除く): 38179761

約数列:

[1, 3, 13, 23, 39, 47, 69, 71, 141, 213, 299, 529, 611, 897, 923, 1081, 1587, 1633, 1833, 2769, 3243, 3337, 4899, 6877, 10011, 14053, 20631, 21229, 24863, 37559, 42159, 43381, 63687, 74589, 76751, 112677, 130143, 230253, 323219, 488267, 969657, 997763, 1464801, 1765273, 2993289, 5295819, 22948549, 68845647]

約数ペア:

[(1, 68845647), (3, 22948549), (13, 5295819), (23, 2993289), (39, 1765273), (47, 1464801), (69, 997763), (71, 969657), (141, 488267), (213, 323219), (299, 230253), (529, 130143), (611, 112677), (897, 76751), (923, 74589), (1081, 63687), (1587, 43381), (1633, 42159), (1833, 37559), (2769, 24863), (3243, 21229), (3337, 20631), (4899, 14053), (6877, 10011)]