81289019

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{16661}}^1$

素因数の和:16726

約数の個数: 16

約数和(自身を含む): 100771776

約数和(自身を除く): 19482757

約数列:

[1, 7, 17, 41, 119, 287, 697, 4879, 16661, 116627, 283237, 683101, 1982659, 4781707, 11612717, 81289019]

約数ペア:

[(1, 81289019), (7, 11612717), (17, 4781707), (41, 1982659), (119, 683101), (287, 283237), (697, 116627), (4879, 16661)]