246981

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{619}}^1$

素因数の和:648

約数の個数: 16

約数和(自身を含む): 396800

約数和(自身を除く): 149819

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 619, 1857, 4333, 11761, 12999, 35283, 82327, 246981]

約数ペア:

[(1, 246981), (3, 82327), (7, 35283), (19, 12999), (21, 11761), (57, 4333), (133, 1857), (399, 619)]