797864697

素因数分解:

$3^2\times 7^2\times {\mathrm{1809217}}^1$

素因数の和:1809237

約数の個数: 18

約数和(自身を含む): 1340630538

約数和(自身を除く): 542765841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 1809217, 5427651, 12664519, 16282953, 37993557, 88651633, 113980671, 265954899, 797864697]

約数ペア:

[(1, 797864697), (3, 265954899), (7, 113980671), (9, 88651633), (21, 37993557), (49, 16282953), (63, 12664519), (147, 5427651), (441, 1809217)]