215920905

素因数分解:

$3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{105071}}^1$

素因数の和:105216

約数の個数: 16

約数和(自身を含む): 347998464

約数和(自身を除く): 132077559

約数列:

[1, 3, 5, 15, 137, 411, 685, 2055, 105071, 315213, 525355, 1576065, 14394727, 43184181, 71973635, 215920905]

約数ペア:

[(1, 215920905), (3, 71973635), (5, 43184181), (15, 14394727), (137, 1576065), (411, 525355), (685, 315213), (2055, 105071)]