1320231081

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{720257}}^1$

素因数の和:720320

約数の個数: 16

約数和(自身を含む): 1936053504

約数和(自身を除く): 615822423

約数列:

[1, 3, 13, 39, 47, 141, 611, 1833, 720257, 2160771, 9363341, 28090023, 33852079, 101556237, 440077027, 1320231081]

約数ペア:

[(1, 1320231081), (3, 440077027), (13, 101556237), (39, 33852079), (47, 28090023), (141, 9363341), (611, 2160771), (1833, 720257)]