56121009

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{39887}}^1$

素因数の和:39964

約数の個数: 16

約数和(自身を含む): 86796288

約数和(自身を除く): 30675279

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 39887, 119661, 279209, 837627, 2672429, 8017287, 18707003, 56121009]

約数ペア:

[(1, 56121009), (3, 18707003), (7, 8017287), (21, 2672429), (67, 837627), (201, 279209), (469, 119661), (1407, 39887)]