81183123

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{313}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 141073920

約数和(自身を除く): 59890797

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 179, 207, 313, 483, 537, 939, 1253, 1449, 1611, 2191, 2817, 3759, 4117, 6573, 7199, 11277, 12351, 19719, 21597, 28819, 37053, 50393, 56027, 64791, 86457, 151179, 168081, 259371, 392189, 453537, 504243, 1176567, 1288621, 3529701, 3865863, 9020347, 11597589, 27061041, 81183123]

約数ペア:

[(1, 81183123), (3, 27061041), (7, 11597589), (9, 9020347), (21, 3865863), (23, 3529701), (63, 1288621), (69, 1176567), (161, 504243), (179, 453537), (207, 392189), (313, 259371), (483, 168081), (537, 151179), (939, 86457), (1253, 64791), (1449, 56027), (1611, 50393), (2191, 37053), (2817, 28819), (3759, 21597), (4117, 19719), (6573, 12351), (7199, 11277)]