2905119

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{809}}^1$

素因数の和:844

約数の個数: 32

約数和(自身を含む): 5184000

約数和(自身を除く): 2278881

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 809, 1197, 2427, 3591, 5663, 7281, 15371, 16989, 21843, 46113, 50967, 107597, 138339, 152901, 322791, 415017, 968373, 2905119]

約数ペア:

[(1, 2905119), (3, 968373), (7, 415017), (9, 322791), (19, 152901), (21, 138339), (27, 107597), (57, 50967), (63, 46113), (133, 21843), (171, 16989), (189, 15371), (399, 7281), (513, 5663), (809, 3591), (1197, 2427)]