13217125

素因数分解:

$5^3\times {\mathrm{43}}^1\times {\mathrm{2459}}^1$

素因数の和:2517

約数の個数: 16

約数和(自身を含む): 16885440

約数和(自身を除く): 3668315

約数列:

[1, 5, 25, 43, 125, 215, 1075, 2459, 5375, 12295, 61475, 105737, 307375, 528685, 2643425, 13217125]

約数ペア:

[(1, 13217125), (5, 2643425), (25, 528685), (43, 307375), (125, 105737), (215, 61475), (1075, 12295), (2459, 5375)]