278310987

素因数分解:

$3^2\times {\mathrm{569}}^1\times {\mathrm{54347}}^1$

素因数の和:54922

約数の個数: 12

約数和(自身を含む): 402718680

約数和(自身を除く): 124407693

約数列:

[1, 3, 9, 569, 1707, 5121, 54347, 163041, 489123, 30923443, 92770329, 278310987]

約数ペア:

[(1, 278310987), (3, 92770329), (9, 30923443), (569, 489123), (1707, 163041), (5121, 54347)]