209123715

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{820093}}^1$

素因数の和:820118

約数の個数: 16

約数和(自身を含む): 354280608

約数和(自身を除く): 145156893

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 820093, 2460279, 4100465, 12301395, 13941581, 41824743, 69707905, 209123715]

約数ペア:

[(1, 209123715), (3, 69707905), (5, 41824743), (15, 13941581), (17, 12301395), (51, 4100465), (85, 2460279), (255, 820093)]