2015219979

素因数分解:

$3^4\times {\mathrm{1567}}^1\times {\mathrm{15877}}^1$

素因数の和:17456

約数の個数: 20

約数和(自身を含む): 3012501184

約数和(自身を除く): 997281205

約数列:

[1, 3, 9, 27, 81, 1567, 4701, 14103, 15877, 42309, 47631, 126927, 142893, 428679, 1286037, 24879259, 74637777, 223913331, 671739993, 2015219979]

約数ペア:

[(1, 2015219979), (3, 671739993), (9, 223913331), (27, 74637777), (81, 24879259), (1567, 1286037), (4701, 428679), (14103, 142893), (15877, 126927), (42309, 47631)]