421640001

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{145043}}^1$

素因数の和:145085

約数の個数: 24

約数和(自身を含む): 678805920

約数和(自身を除く): 257165919

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 969, 2907, 145043, 435129, 1305387, 2465731, 2755817, 7397193, 8267451, 22191579, 24802353, 46848889, 140546667, 421640001]

約数ペア:

[(1, 421640001), (3, 140546667), (9, 46848889), (17, 24802353), (19, 22191579), (51, 8267451), (57, 7397193), (153, 2755817), (171, 2465731), (323, 1305387), (969, 435129), (2907, 145043)]