287402139

素因数分解:

$3^2\times {\mathrm{661}}^1\times {\mathrm{48311}}^1$

素因数の和:48978

約数の個数: 12

約数和(自身を含む): 415773072

約数和(自身を除く): 128370933

約数列:

[1, 3, 9, 661, 1983, 5949, 48311, 144933, 434799, 31933571, 95800713, 287402139]

約数ペア:

[(1, 287402139), (3, 95800713), (9, 31933571), (661, 434799), (1983, 144933), (5949, 48311)]