28691817

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4283}}^1$

素因数の和:4333

約数の個数: 32

約数和(自身を含む): 49351680

約数和(自身を除く): 20659863

約数列:

[1, 3, 7, 11, 21, 29, 33, 77, 87, 203, 231, 319, 609, 957, 2233, 4283, 6699, 12849, 29981, 47113, 89943, 124207, 141339, 329791, 372621, 869449, 989373, 1366277, 2608347, 4098831, 9563939, 28691817]

約数ペア:

[(1, 28691817), (3, 9563939), (7, 4098831), (11, 2608347), (21, 1366277), (29, 989373), (33, 869449), (77, 372621), (87, 329791), (203, 141339), (231, 124207), (319, 89943), (609, 47113), (957, 29981), (2233, 12849), (4283, 6699)]