15281903

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2753}}^1$

素因数の和:2834

約数の個数: 16

約数和(自身を含む): 19123776

約数和(自身を除く): 3841873

約数列:

[1, 7, 13, 61, 91, 427, 793, 2753, 5551, 19271, 35789, 167933, 250523, 1175531, 2183129, 15281903]

約数ペア:

[(1, 15281903), (7, 2183129), (13, 1175531), (61, 250523), (91, 167933), (427, 35789), (793, 19271), (2753, 5551)]