156716427

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{523}}^1\times {\mathrm{751}}^1$

素因数の和:1303

約数の個数: 32

約数和(自身を含む): 252190720

約数和(自身を除く): 95474293

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 523, 751, 1569, 2253, 3661, 5257, 9937, 10983, 14269, 15771, 29811, 42807, 69559, 99883, 208677, 299649, 392773, 1178319, 2749411, 7462687, 8248233, 22388061, 52238809, 156716427]

約数ペア:

[(1, 156716427), (3, 52238809), (7, 22388061), (19, 8248233), (21, 7462687), (57, 2749411), (133, 1178319), (399, 392773), (523, 299649), (751, 208677), (1569, 99883), (2253, 69559), (3661, 42807), (5257, 29811), (9937, 15771), (10983, 14269)]