745220511

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{407893}}^1$

素因数の和:407935

約数の個数: 24

約数和(自身を含む): 1272629280

約数和(自身を除く): 527408769

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 407893, 1223679, 2855251, 3671037, 8565753, 11828897, 25697259, 35486691, 82802279, 106460073, 248406837, 745220511]

約数ペア:

[(1, 745220511), (3, 248406837), (7, 106460073), (9, 82802279), (21, 35486691), (29, 25697259), (63, 11828897), (87, 8565753), (203, 3671037), (261, 2855251), (609, 1223679), (1827, 407893)]