217157213

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{125597}}^1$

素因数の和:125636

約数の個数: 16

約数和(自身を含む): 281339520

約数和(自身を除く): 64182307

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 125597, 879179, 1632761, 2386343, 11429327, 16704401, 31022459, 217157213]

約数ペア:

[(1, 217157213), (7, 31022459), (13, 16704401), (19, 11429327), (91, 2386343), (133, 1632761), (247, 879179), (1729, 125597)]