221591073

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{394993}}^1$

素因数の和:395024

約数の個数: 16

約数和(自身を含む): 341274816

約数和(自身を除く): 119683743

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 394993, 1184979, 4344923, 6714881, 13034769, 20144643, 73863691, 221591073]

約数ペア:

[(1, 221591073), (3, 73863691), (11, 20144643), (17, 13034769), (33, 6714881), (51, 4344923), (187, 1184979), (561, 394993)]