978681

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{631}}^1$

素因数の和:692

約数の個数: 16

約数和(自身を含む): 1456128

約数和(自身を除く): 477447

約数列:

[1, 3, 11, 33, 47, 141, 517, 631, 1551, 1893, 6941, 20823, 29657, 88971, 326227, 978681]

約数ペア:

[(1, 978681), (3, 326227), (11, 88971), (33, 29657), (47, 20823), (141, 6941), (517, 1893), (631, 1551)]