247084803

素因数分解:

$3^3\times 7^2\times {\mathrm{186761}}^1$

素因数の和:186784

約数の個数: 24

約数和(自身を含む): 425817360

約数和(自身を除く): 178732557

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 186761, 560283, 1307327, 1680849, 3921981, 5042547, 9151289, 11765943, 27453867, 35297829, 82361601, 247084803]

約数ペア:

[(1, 247084803), (3, 82361601), (7, 35297829), (9, 27453867), (21, 11765943), (27, 9151289), (49, 5042547), (63, 3921981), (147, 1680849), (189, 1307327), (441, 560283), (1323, 186761)]