1397553

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{409}}^1$

素因数の和:496

約数の個数: 16

約数和(自身を含む): 2007360

約数和(自身を除く): 609807

約数列:

[1, 3, 17, 51, 67, 201, 409, 1139, 1227, 3417, 6953, 20859, 27403, 82209, 465851, 1397553]

約数ペア:

[(1, 1397553), (3, 465851), (17, 82209), (51, 27403), (67, 20859), (201, 6953), (409, 3417), (1139, 1227)]