13272021

素因数分解:

$3^2\times 7^1\times {\mathrm{293}}^1\times {\mathrm{719}}^1$

素因数の和:1025

約数の個数: 24

約数和(自身を含む): 22014720

約数和(自身を除く): 8742699

約数列:

[1, 3, 7, 9, 21, 63, 293, 719, 879, 2051, 2157, 2637, 5033, 6153, 6471, 15099, 18459, 45297, 210667, 632001, 1474669, 1896003, 4424007, 13272021]

約数ペア:

[(1, 13272021), (3, 4424007), (7, 1896003), (9, 1474669), (21, 632001), (63, 210667), (293, 45297), (719, 18459), (879, 15099), (2051, 6471), (2157, 6153), (2637, 5033)]