4212081

素因数分解:

$3^4\times {\mathrm{149}}^1\times {\mathrm{349}}^1$

素因数の和:510

約数の個数: 20

約数和(自身を含む): 6352500

約数和(自身を除く): 2140419

約数列:

[1, 3, 9, 27, 81, 149, 349, 447, 1047, 1341, 3141, 4023, 9423, 12069, 28269, 52001, 156003, 468009, 1404027, 4212081]

約数ペア:

[(1, 4212081), (3, 1404027), (9, 468009), (27, 156003), (81, 52001), (149, 28269), (349, 12069), (447, 9423), (1047, 4023), (1341, 3141)]