127749503

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{421}}^1\times {\mathrm{647}}^1$

素因数の和:1142

約数の個数: 16

約数和(自身を含む): 148760064

約数和(自身を除く): 21010561

約数列:

[1, 7, 67, 421, 469, 647, 2947, 4529, 28207, 43349, 197449, 272387, 303443, 1906709, 18249929, 127749503]

約数ペア:

[(1, 127749503), (7, 18249929), (67, 1906709), (421, 303443), (469, 272387), (647, 197449), (2947, 43349), (4529, 28207)]