201221229

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{320927}}^1$

素因数の和:320960

約数の個数: 16

約数和(自身を含む): 308090880

約数和(自身を除く): 106869651

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 320927, 962781, 3530197, 6097613, 10590591, 18292839, 67073743, 201221229]

約数ペア:

[(1, 201221229), (3, 67073743), (11, 18292839), (19, 10590591), (33, 6097613), (57, 3530197), (209, 962781), (627, 320927)]