1628685

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2129}}^1$

素因数の和:2157

約数の個数: 24

約数和(自身を含む): 2990520

約数和(自身を除く): 1361835

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 2129, 6387, 10645, 19161, 31935, 36193, 95805, 108579, 180965, 325737, 542895, 1628685]

約数ペア:

[(1, 1628685), (3, 542895), (5, 325737), (9, 180965), (15, 108579), (17, 95805), (45, 36193), (51, 31935), (85, 19161), (153, 10645), (255, 6387), (765, 2129)]