6472221

素因数分解:

$3^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{991}}^1$

素因数の和:1312

約数の個数: 16

約数和(自身を含む): 9904128

約数和(自身を除く): 3431907

約数列:

[1, 3, 7, 21, 311, 933, 991, 2177, 2973, 6531, 6937, 20811, 308201, 924603, 2157407, 6472221]

約数ペア:

[(1, 6472221), (3, 2157407), (7, 924603), (21, 308201), (311, 20811), (933, 6937), (991, 6531), (2177, 2973)]