39796281

素因数分解:

$3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:163

約数の個数: 72

約数和(自身を含む): 71705088

約数和(自身を除く): 31908807

約数列:

[1, 3, 7, 9, 21, 31, 41, 49, 63, 71, 93, 123, 147, 213, 217, 279, 287, 369, 441, 497, 639, 651, 861, 1271, 1491, 1519, 1953, 2009, 2201, 2583, 2911, 3479, 3813, 4473, 4557, 6027, 6603, 8733, 8897, 10437, 11439, 13671, 15407, 18081, 19809, 20377, 26199, 26691, 31311, 46221, 61131, 62279, 80073, 90241, 107849, 138663, 142639, 183393, 186837, 270723, 323547, 427917, 560511, 631687, 812169, 970641, 1283751, 1895061, 4421809, 5685183, 13265427, 39796281]

約数ペア:

[(1, 39796281), (3, 13265427), (7, 5685183), (9, 4421809), (21, 1895061), (31, 1283751), (41, 970641), (49, 812169), (63, 631687), (71, 560511), (93, 427917), (123, 323547), (147, 270723), (213, 186837), (217, 183393), (279, 142639), (287, 138663), (369, 107849), (441, 90241), (497, 80073), (639, 62279), (651, 61131), (861, 46221), (1271, 31311), (1491, 26691), (1519, 26199), (1953, 20377), (2009, 19809), (2201, 18081), (2583, 15407), (2911, 13671), (3479, 11439), (3813, 10437), (4473, 8897), (4557, 8733), (6027, 6603)]