15721724091

素因数分解:

$3^1\times {\mathrm{131}}^2\times {\mathrm{305377}}^1$

素因数の和:305642

約数の個数: 12

約数和(自身を含む): 21123607016

約数和(自身を除く): 5401882925

約数列:

[1, 3, 131, 393, 17161, 51483, 305377, 916131, 40004387, 120013161, 5240574697, 15721724091]

約数ペア:

[(1, 15721724091), (3, 5240574697), (131, 120013161), (393, 40004387), (17161, 916131), (51483, 305377)]