1518440021

素因数分解:

$7^1\times {\mathrm{241}}^1\times {\mathrm{523}}^1\times {\mathrm{1721}}^1$

素因数の和:2492

約数の個数: 16

約数和(自身を含む): 1746907008

約数和(自身を除く): 228466987

約数列:

[1, 7, 241, 523, 1687, 1721, 3661, 12047, 126043, 414761, 882301, 900083, 2903327, 6300581, 216920003, 1518440021]

約数ペア:

[(1, 1518440021), (7, 216920003), (241, 6300581), (523, 2903327), (1687, 900083), (1721, 882301), (3661, 414761), (12047, 126043)]