221880903

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{8731}}^1$

素因数の和:8974

約数の個数: 16

約数和(自身を含む): 304292736

約数和(自身を除く): 82411833

約数列:

[1, 3, 43, 129, 197, 591, 8471, 8731, 25413, 26193, 375433, 1126299, 1720007, 5160021, 73960301, 221880903]

約数ペア:

[(1, 221880903), (3, 73960301), (43, 5160021), (129, 1720007), (197, 1126299), (591, 375433), (8471, 26193), (8731, 25413)]