1311365

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{211}}^1$

素因数の和:340

約数の個数: 16

約数和(自身を含む): 1740096

約数和(自身を除く): 428731

約数列:

[1, 5, 11, 55, 113, 211, 565, 1055, 1243, 2321, 6215, 11605, 23843, 119215, 262273, 1311365]

約数ペア:

[(1, 1311365), (5, 262273), (11, 119215), (55, 23843), (113, 11605), (211, 6215), (565, 2321), (1055, 1243)]