1688895819

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{209203}}^1$

素因数の和:209248

約数の個数: 32

約数和(自身を含む): 2811701760

約数和(自身を除く): 1122805941

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 117, 207, 299, 351, 621, 897, 2691, 8073, 209203, 627609, 1882827, 2719639, 4811669, 5648481, 8158917, 14435007, 24476751, 43305021, 62551697, 73430253, 129915063, 187655091, 562965273, 1688895819]

約数ペア:

[(1, 1688895819), (3, 562965273), (9, 187655091), (13, 129915063), (23, 73430253), (27, 62551697), (39, 43305021), (69, 24476751), (117, 14435007), (207, 8158917), (299, 5648481), (351, 4811669), (621, 2719639), (897, 1882827), (2691, 627609), (8073, 209203)]