404052009

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{18787}}^1$

素因数の和:18964

約数の個数: 16

約数和(自身を含む): 551916288

約数和(自身を除く): 147864279

約数列:

[1, 3, 67, 107, 201, 321, 7169, 18787, 21507, 56361, 1258729, 2010209, 3776187, 6030627, 134684003, 404052009]

約数ペア:

[(1, 404052009), (3, 134684003), (67, 6030627), (107, 3776187), (201, 2010209), (321, 1258729), (7169, 56361), (18787, 21507)]