211857213

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{26459}}^1$

素因数の和:26636

約数の個数: 16

約数和(自身を含む): 301008960

約数和(自身を除く): 89151747

約数列:

[1, 3, 17, 51, 157, 471, 2669, 8007, 26459, 79377, 449803, 1349409, 4154063, 12462189, 70619071, 211857213]

約数ペア:

[(1, 211857213), (3, 70619071), (17, 12462189), (51, 4154063), (157, 1349409), (471, 449803), (2669, 79377), (8007, 26459)]