13239055

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{443}}^1$

素因数の和:630

約数の個数: 16

約数和(自身を含む): 16410240

約数和(自身を除く): 3171185

約数列:

[1, 5, 43, 139, 215, 443, 695, 2215, 5977, 19049, 29885, 61577, 95245, 307885, 2647811, 13239055]

約数ペア:

[(1, 13239055), (5, 2647811), (43, 307885), (139, 95245), (215, 61577), (443, 29885), (695, 19049), (2215, 5977)]