193721157

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:383

約数の個数: 72

約数和(自身を含む): 345720960

約数和(自身を除く): 151999803

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 71, 147, 161, 207, 213, 269, 441, 483, 497, 639, 807, 1127, 1449, 1491, 1633, 1883, 2421, 3381, 3479, 4473, 4899, 5649, 6187, 10143, 10437, 11431, 13181, 14697, 16947, 18561, 19099, 31311, 34293, 39543, 43309, 55683, 57297, 80017, 102879, 118629, 129927, 133693, 171891, 240051, 303163, 389781, 401079, 439277, 720153, 909489, 935851, 1203237, 1317831, 2728467, 2807553, 3074939, 3953493, 8422659, 9224817, 21524573, 27674451, 64573719, 193721157]

約数ペア:

[(1, 193721157), (3, 64573719), (7, 27674451), (9, 21524573), (21, 9224817), (23, 8422659), (49, 3953493), (63, 3074939), (69, 2807553), (71, 2728467), (147, 1317831), (161, 1203237), (207, 935851), (213, 909489), (269, 720153), (441, 439277), (483, 401079), (497, 389781), (639, 303163), (807, 240051), (1127, 171891), (1449, 133693), (1491, 129927), (1633, 118629), (1883, 102879), (2421, 80017), (3381, 57297), (3479, 55683), (4473, 43309), (4899, 39543), (5649, 34293), (6187, 31311), (10143, 19099), (10437, 18561), (11431, 16947), (13181, 14697)]