1728321987

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1394933}}^1$

素因数の和:1395002

約数の個数: 16

約数和(自身を含む): 2678273280

約数和(自身を除く): 949951293

約数列:

[1, 3, 7, 21, 59, 177, 413, 1239, 1394933, 4184799, 9764531, 29293593, 82301047, 246903141, 576107329, 1728321987]

約数ペア:

[(1, 1728321987), (3, 576107329), (7, 246903141), (21, 82301047), (59, 29293593), (177, 9764531), (413, 4184799), (1239, 1394933)]