20176992003

素因数分解:

$3^1\times 7^2\times {\mathrm{137258449}}^1$

素因数の和:137258466

約数の個数: 12

約数和(自身を含む): 31294926600

約数和(自身を除く): 11117934597

約数列:

[1, 3, 7, 21, 49, 147, 137258449, 411775347, 960809143, 2882427429, 6725664001, 20176992003]

約数ペア:

[(1, 20176992003), (3, 6725664001), (7, 2882427429), (21, 960809143), (49, 411775347), (147, 137258449)]