201556747

素因数分解:

$7^4\times {\mathrm{127}}^1\times {\mathrm{661}}^1$

素因数の和:816

約数の個数: 20

約数和(自身を含む): 237345536

約数和(自身を除く): 35788789

約数列:

[1, 7, 49, 127, 343, 661, 889, 2401, 4627, 6223, 32389, 43561, 83947, 226723, 304927, 587629, 1587061, 4113403, 28793821, 201556747]

約数ペア:

[(1, 201556747), (7, 28793821), (49, 4113403), (127, 1587061), (343, 587629), (661, 304927), (889, 226723), (2401, 83947), (4627, 43561), (6223, 32389)]