25218729

素因数分解:

$3^3\times {\mathrm{173}}^1\times {\mathrm{5399}}^1$

素因数の和:5581

約数の個数: 16

約数和(自身を含む): 37584000

約数和(自身を除く): 12365271

約数列:

[1, 3, 9, 27, 173, 519, 1557, 4671, 5399, 16197, 48591, 145773, 934027, 2802081, 8406243, 25218729]

約数ペア:

[(1, 25218729), (3, 8406243), (9, 2802081), (27, 934027), (173, 145773), (519, 48591), (1557, 16197), (4671, 5399)]