1215678849

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{37861}}^1$

素因数の和:38021

約数の個数: 32

約数和(自身を含む): 2035461120

約数和(自身を除く): 819782271

約数列:

[1, 3, 7, 11, 21, 33, 77, 139, 231, 417, 973, 1529, 2919, 4587, 10703, 32109, 37861, 113583, 265027, 416471, 795081, 1249413, 2915297, 5262679, 8745891, 15788037, 36838753, 57889469, 110516259, 173668407, 405226283, 1215678849]

約数ペア:

[(1, 1215678849), (3, 405226283), (7, 173668407), (11, 110516259), (21, 57889469), (33, 36838753), (77, 15788037), (139, 8745891), (231, 5262679), (417, 2915297), (973, 1249413), (1529, 795081), (2919, 416471), (4587, 265027), (10703, 113583), (32109, 37861)]