278375129991

素因数分解:

$3^2\times 7^1\times {\mathrm{311}}^1\times {\mathrm{881}}^1\times {\mathrm{16127}}^1$

素因数の和:17332

約数の個数: 48

約数和(自身を含む): 461569425408

約数和(自身を除く): 183194295417

約数列:

[1, 3, 7, 9, 21, 63, 311, 881, 933, 2177, 2643, 2799, 6167, 6531, 7929, 16127, 18501, 19593, 48381, 55503, 112889, 145143, 273991, 338667, 821973, 1016001, 1917937, 2465919, 5015497, 5753811, 14207887, 15046491, 17261433, 35108479, 42623661, 45139473, 99455209, 105325437, 127870983, 298365627, 315976311, 895096881, 4418652857, 13255958571, 30930569999, 39767875713, 92791709997, 278375129991]

約数ペア:

[(1, 278375129991), (3, 92791709997), (7, 39767875713), (9, 30930569999), (21, 13255958571), (63, 4418652857), (311, 895096881), (881, 315976311), (933, 298365627), (2177, 127870983), (2643, 105325437), (2799, 99455209), (6167, 45139473), (6531, 42623661), (7929, 35108479), (16127, 17261433), (18501, 15046491), (19593, 14207887), (48381, 5753811), (55503, 5015497), (112889, 2465919), (145143, 1917937), (273991, 1016001), (338667, 821973)]