64278333

素因数分解:

$3^3\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1423}}^1$

素因数の和:1678

約数の個数: 32

約数和(自身を含む): 109363200

約数和(自身を除く): 45084867

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 239, 717, 1423, 1673, 2151, 4269, 5019, 6453, 9961, 12807, 15057, 29883, 38421, 45171, 89649, 268947, 340097, 1020291, 2380679, 3060873, 7142037, 9182619, 21426111, 64278333]

約数ペア:

[(1, 64278333), (3, 21426111), (7, 9182619), (9, 7142037), (21, 3060873), (27, 2380679), (63, 1020291), (189, 340097), (239, 268947), (717, 89649), (1423, 45171), (1673, 38421), (2151, 29883), (4269, 15057), (5019, 12807), (6453, 9961)]