287388717

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{9497}}^1$

素因数の和:9649

約数の個数: 32

約数和(自身を含む): 481434624

約数和(自身を除く): 194045907

約数列:

[1, 3, 7, 11, 21, 33, 77, 131, 231, 393, 917, 1441, 2751, 4323, 9497, 10087, 28491, 30261, 66479, 104467, 199437, 313401, 731269, 1244107, 2193807, 3732321, 8708749, 13685177, 26126247, 41055531, 95796239, 287388717]

約数ペア:

[(1, 287388717), (3, 95796239), (7, 41055531), (11, 26126247), (21, 13685177), (33, 8708749), (77, 3732321), (131, 2193807), (231, 1244107), (393, 731269), (917, 313401), (1441, 199437), (2751, 104467), (4323, 66479), (9497, 30261), (10087, 28491)]