221796141

素因数分解:

$3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{34403}}^1$

素因数の和:34720

約数の個数: 16

約数和(自身を含む): 339085824

約数和(自身を除く): 117289683

約数列:

[1, 3, 7, 21, 307, 921, 2149, 6447, 34403, 103209, 240821, 722463, 10561721, 31685163, 73932047, 221796141]

約数ペア:

[(1, 221796141), (3, 73932047), (7, 31685163), (21, 10561721), (307, 722463), (921, 240821), (2149, 103209), (6447, 34403)]