127980729

素因数分解:

$3^4\times {\mathrm{173}}^1\times {\mathrm{9133}}^1$

素因数の和:9318

約数の個数: 20

約数和(自身を含む): 192307236

約数和(自身を除く): 64326507

約数列:

[1, 3, 9, 27, 81, 173, 519, 1557, 4671, 9133, 14013, 27399, 82197, 246591, 739773, 1580009, 4740027, 14220081, 42660243, 127980729]

約数ペア:

[(1, 127980729), (3, 42660243), (9, 14220081), (27, 4740027), (81, 1580009), (173, 739773), (519, 246591), (1557, 82197), (4671, 27399), (9133, 14013)]