551401221

素因数分解:

$3^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{40583}}^1$

素因数の和:41240

約数の個数: 16

約数和(自身を含む): 841549824

約数和(自身を除く): 290148603

約数列:

[1, 3, 7, 21, 647, 1941, 4529, 13587, 40583, 121749, 284081, 852243, 26257201, 78771603, 183800407, 551401221]

約数ペア:

[(1, 551401221), (3, 183800407), (7, 78771603), (21, 26257201), (647, 852243), (1941, 284081), (4529, 121749), (13587, 40583)]