140908563

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{920971}}^1$

素因数の和:920994

約数の個数: 12

約数和(自身を含む): 215507448

約数和(自身を除く): 74598885

約数列:

[1, 3, 9, 17, 51, 153, 920971, 2762913, 8288739, 15656507, 46969521, 140908563]

約数ペア:

[(1, 140908563), (3, 46969521), (9, 15656507), (17, 8288739), (51, 2762913), (153, 920971)]