28768929

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 47628288

約数和(自身を除く): 18859359

約数列:

[1, 3, 7, 21, 23, 49, 67, 69, 127, 147, 161, 201, 381, 469, 483, 889, 1127, 1407, 1541, 2667, 2921, 3283, 3381, 4623, 6223, 8509, 8763, 9849, 10787, 18669, 20447, 25527, 32361, 59563, 61341, 75509, 143129, 178689, 195707, 226527, 416941, 429387, 587121, 1250823, 1369949, 4109847, 9589643, 28768929]

約数ペア:

[(1, 28768929), (3, 9589643), (7, 4109847), (21, 1369949), (23, 1250823), (49, 587121), (67, 429387), (69, 416941), (127, 226527), (147, 195707), (161, 178689), (201, 143129), (381, 75509), (469, 61341), (483, 59563), (889, 32361), (1127, 25527), (1407, 20447), (1541, 18669), (2667, 10787), (2921, 9849), (3283, 8763), (3381, 8509), (4623, 6223)]