31071921

素因数分解:

$3^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1\times {\mathrm{277}}^1$

素因数の和:688

約数の個数: 16

約数和(自身を含む): 42033600

約数和(自身を除く): 10961679

約数列:

[1, 3, 139, 269, 277, 417, 807, 831, 37391, 38503, 74513, 112173, 115509, 223539, 10357307, 31071921]

約数ペア:

[(1, 31071921), (3, 10357307), (139, 223539), (269, 115509), (277, 112173), (417, 74513), (807, 38503), (831, 37391)]