15426229

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:485

約数の個数: 24

約数和(自身を含む): 19691448

約数和(自身を除く): 4265219

約数列:

[1, 7, 13, 49, 61, 91, 397, 427, 637, 793, 2779, 2989, 5161, 5551, 19453, 24217, 36127, 38857, 169519, 252889, 314821, 1186633, 2203747, 15426229]

約数ペア:

[(1, 15426229), (7, 2203747), (13, 1186633), (49, 314821), (61, 252889), (91, 169519), (397, 38857), (427, 36127), (637, 24217), (793, 19453), (2779, 5551), (2989, 5161)]