638045213205

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2502138091}}^1$

素因数の和:2502138116

約数の個数: 16

約数和(自身を含む): 1080923655744

約数和(自身を除く): 442878442539

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 2502138091, 7506414273, 12510690455, 37532071365, 42536347547, 127609042641, 212681737735, 638045213205]

約数ペア:

[(1, 638045213205), (3, 212681737735), (5, 127609042641), (15, 42536347547), (17, 37532071365), (51, 12510690455), (85, 7506414273), (255, 2502138091)]