2784576879

素因数分解:

$3^3\times 7^1\times {\mathrm{487}}^1\times {\mathrm{30253}}^1$

素因数の和:30756

約数の個数: 32

約数和(自身を含む): 4724464640

約数和(自身を除く): 1939887761

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 487, 1461, 3409, 4383, 10227, 13149, 30253, 30681, 90759, 92043, 211771, 272277, 635313, 816831, 1905939, 5717817, 14733211, 44199633, 103132477, 132598899, 309397431, 397796697, 928192293, 2784576879]

約数ペア:

[(1, 2784576879), (3, 928192293), (7, 397796697), (9, 309397431), (21, 132598899), (27, 103132477), (63, 44199633), (189, 14733211), (487, 5717817), (1461, 1905939), (3409, 816831), (4383, 635313), (10227, 272277), (13149, 211771), (30253, 92043), (30681, 90759)]