217764003

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1\times {\mathrm{3529}}^1$

素因数の和:3906

約数の個数: 16

約数和(自身を含む): 295729280

約数和(自身を除く): 77965277

約数列:

[1, 3, 67, 201, 307, 921, 3529, 10587, 20569, 61707, 236443, 709329, 1083403, 3250209, 72588001, 217764003]

約数ペア:

[(1, 217764003), (3, 72588001), (67, 3250209), (201, 1083403), (307, 709329), (921, 236443), (3529, 61707), (10587, 20569)]