1680493635

素因数分解:

$3^4\times 5^1\times {\mathrm{4149367}}^1$

素因数の和:4149384

約数の個数: 20

約数和(自身を含む): 3012441168

約数和(自身を除く): 1331947533

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4149367, 12448101, 20746835, 37344303, 62240505, 112032909, 186721515, 336098727, 560164545, 1680493635]

約数ペア:

[(1, 1680493635), (3, 560164545), (5, 336098727), (9, 186721515), (15, 112032909), (27, 62240505), (45, 37344303), (81, 20746835), (135, 12448101), (405, 4149367)]