647211021

素因数分解:

$3^1\times {\mathrm{229}}^1\times {\mathrm{631}}^1\times {\mathrm{1493}}^1$

素因数の和:2356

約数の個数: 16

約数和(自身を含む): 868671360

約数和(自身を除く): 221460339

約数列:

[1, 3, 229, 631, 687, 1493, 1893, 4479, 144499, 341897, 433497, 942083, 1025691, 2826249, 215737007, 647211021]

約数ペア:

[(1, 647211021), (3, 215737007), (229, 2826249), (631, 1025691), (687, 942083), (1493, 433497), (1893, 341897), (4479, 144499)]