31843287

素因数分解:

$3^4\times 7^2\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:210

約数の個数: 60

約数和(自身を含む): 56610576

約数和(自身を除く): 24767289

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 71, 81, 113, 147, 189, 213, 339, 441, 497, 567, 639, 791, 1017, 1323, 1491, 1917, 2373, 3051, 3479, 3969, 4473, 5537, 5751, 7119, 8023, 9153, 10437, 13419, 16611, 21357, 24069, 31311, 40257, 49833, 56161, 64071, 72207, 93933, 149499, 168483, 216621, 281799, 393127, 448497, 505449, 649863, 1179381, 1516347, 3538143, 4549041, 10614429, 31843287]

約数ペア:

[(1, 31843287), (3, 10614429), (7, 4549041), (9, 3538143), (21, 1516347), (27, 1179381), (49, 649863), (63, 505449), (71, 448497), (81, 393127), (113, 281799), (147, 216621), (189, 168483), (213, 149499), (339, 93933), (441, 72207), (497, 64071), (567, 56161), (639, 49833), (791, 40257), (1017, 31311), (1323, 24069), (1491, 21357), (1917, 16611), (2373, 13419), (3051, 10437), (3479, 9153), (3969, 8023), (4473, 7119), (5537, 5751)]