2098221

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{647}}^1$

素因数の和:720

約数の個数: 16

約数和(自身を含む): 2985984

約数和(自身を除く): 887763

約数列:

[1, 3, 23, 47, 69, 141, 647, 1081, 1941, 3243, 14881, 30409, 44643, 91227, 699407, 2098221]

約数ペア:

[(1, 2098221), (3, 699407), (23, 91227), (47, 44643), (69, 30409), (141, 14881), (647, 3243), (1081, 1941)]