15306109

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 20127744

約数和(自身を除く): 4821635

約数列:

[1, 7, 13, 23, 71, 91, 103, 161, 299, 497, 721, 923, 1339, 1633, 2093, 2369, 6461, 7313, 9373, 11431, 16583, 21229, 30797, 51191, 95069, 148603, 168199, 215579, 665483, 1177393, 2186587, 15306109]

約数ペア:

[(1, 15306109), (7, 2186587), (13, 1177393), (23, 665483), (71, 215579), (91, 168199), (103, 148603), (161, 95069), (299, 51191), (497, 30797), (721, 21229), (923, 16583), (1339, 11431), (1633, 9373), (2093, 7313), (2369, 6461)]