16801371

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:320

約数の個数: 32

約数和(自身を含む): 25920000

約数和(自身を除く): 9118629

約数列:

[1, 3, 9, 27, 53, 59, 159, 177, 199, 477, 531, 597, 1431, 1593, 1791, 3127, 5373, 9381, 10547, 11741, 28143, 31641, 35223, 84429, 94923, 105669, 284769, 317007, 622273, 1866819, 5600457, 16801371]

約数ペア:

[(1, 16801371), (3, 5600457), (9, 1866819), (27, 622273), (53, 317007), (59, 284769), (159, 105669), (177, 94923), (199, 84429), (477, 35223), (531, 31641), (597, 28143), (1431, 11741), (1593, 10547), (1791, 9381), (3127, 5373)]