207181881

素因数分解:

$3^4\times {\mathrm{653}}^1\times {\mathrm{3917}}^1$

素因数の和:4582

約数の個数: 20

約数和(自身を含む): 310047012

約数和(自身を除く): 102865131

約数列:

[1, 3, 9, 27, 81, 653, 1959, 3917, 5877, 11751, 17631, 35253, 52893, 105759, 317277, 2557801, 7673403, 23020209, 69060627, 207181881]

約数ペア:

[(1, 207181881), (3, 69060627), (9, 23020209), (27, 7673403), (81, 2557801), (653, 317277), (1959, 105759), (3917, 52893), (5877, 35253), (11751, 17631)]