211020159

素因数分解:

$3^1\times 7^1\times {\mathrm{1621}}^1\times {\mathrm{6199}}^1$

素因数の和:7830

約数の個数: 16

約数和(自身を含む): 321804800

約数和(自身を除く): 110784641

約数列:

[1, 3, 7, 21, 1621, 4863, 6199, 11347, 18597, 34041, 43393, 130179, 10048579, 30145737, 70340053, 211020159]

約数ペア:

[(1, 211020159), (3, 70340053), (7, 30145737), (21, 10048579), (1621, 130179), (4863, 43393), (6199, 34041), (11347, 18597)]