1263519

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{821}}^1$

素因数の和:852

約数の個数: 20

約数和(自身を含む): 1989240

約数和(自身を除く): 725721

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 821, 1539, 2463, 7389, 15599, 22167, 46797, 66501, 140391, 421173, 1263519]

約数ペア:

[(1, 1263519), (3, 421173), (9, 140391), (19, 66501), (27, 46797), (57, 22167), (81, 15599), (171, 7389), (513, 2463), (821, 1539)]