172521906

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{404981}}^1$

素因数の和:405057

約数の個数: 16

約数和(自身を含む): 349904448

約数和(自身を除く): 177382542

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 404981, 809962, 1214943, 2429886, 28753651, 57507302, 86260953, 172521906]

約数ペア:

[(1, 172521906), (2, 86260953), (3, 57507302), (6, 28753651), (71, 2429886), (142, 1214943), (213, 809962), (426, 404981)]