1672019979

素因数分解:

$3^1\times 7^1\times {\mathrm{9491}}^1\times {\mathrm{8389}}^1$

素因数の和:17890

約数の個数: 16

約数和(自身を含む): 2548412160

約数和(自身を除く): 876392181

約数列:

[1, 3, 7, 21, 8389, 9491, 25167, 28473, 58723, 66437, 176169, 199311, 79619999, 238859997, 557339993, 1672019979]

約数ペア:

[(1, 1672019979), (3, 557339993), (7, 238859997), (21, 79619999), (8389, 199311), (9491, 176169), (25167, 66437), (28473, 58723)]