81239301

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{397}}^1$

素因数の和:483

約数の個数: 64

約数和(自身を含む): 144426240

約数和(自身を除く): 63186939

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 53, 99, 117, 143, 159, 297, 351, 397, 429, 477, 583, 689, 1191, 1287, 1431, 1749, 2067, 3573, 3861, 4367, 5161, 5247, 6201, 7579, 10719, 13101, 15483, 15741, 18603, 21041, 22737, 39303, 46449, 56771, 63123, 68211, 117909, 139347, 170313, 189369, 204633, 231451, 273533, 510939, 568107, 694353, 820599, 1532817, 2083059, 2461797, 3008863, 6249177, 7385391, 9026589, 27079767, 81239301]

約数ペア:

[(1, 81239301), (3, 27079767), (9, 9026589), (11, 7385391), (13, 6249177), (27, 3008863), (33, 2461797), (39, 2083059), (53, 1532817), (99, 820599), (117, 694353), (143, 568107), (159, 510939), (297, 273533), (351, 231451), (397, 204633), (429, 189369), (477, 170313), (583, 139347), (689, 117909), (1191, 68211), (1287, 63123), (1431, 56771), (1749, 46449), (2067, 39303), (3573, 22737), (3861, 21041), (4367, 18603), (5161, 15741), (5247, 15483), (6201, 13101), (7579, 10719)]