64540959

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{347}}^1\times {\mathrm{521}}^1$

素因数の和:895

約数の個数: 32

約数和(自身を含む): 104633856

約数和(自身を除く): 40092897

約数列:

[1, 3, 7, 17, 21, 51, 119, 347, 357, 521, 1041, 1563, 2429, 3647, 5899, 7287, 8857, 10941, 17697, 26571, 41293, 61999, 123879, 180787, 185997, 542361, 1265509, 3073379, 3796527, 9220137, 21513653, 64540959]

約数ペア:

[(1, 64540959), (3, 21513653), (7, 9220137), (17, 3796527), (21, 3073379), (51, 1265509), (119, 542361), (347, 185997), (357, 180787), (521, 123879), (1041, 61999), (1563, 41293), (2429, 26571), (3647, 17697), (5899, 10941), (7287, 8857)]