207864225

素因数分解:

$3^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{4463}}^1$

素因数の和:4508

約数の個数: 60

約数和(自身を含む): 401867136

約数和(自身を除く): 194002911

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 69, 75, 81, 115, 135, 207, 225, 345, 405, 575, 621, 675, 1035, 1725, 1863, 2025, 3105, 4463, 5175, 9315, 13389, 15525, 22315, 40167, 46575, 66945, 102649, 111575, 120501, 200835, 307947, 334725, 361503, 513245, 602505, 923841, 1004175, 1539735, 1807515, 2566225, 2771523, 3012525, 4619205, 7698675, 8314569, 9037575, 13857615, 23096025, 41572845, 69288075, 207864225]

約数ペア:

[(1, 207864225), (3, 69288075), (5, 41572845), (9, 23096025), (15, 13857615), (23, 9037575), (25, 8314569), (27, 7698675), (45, 4619205), (69, 3012525), (75, 2771523), (81, 2566225), (115, 1807515), (135, 1539735), (207, 1004175), (225, 923841), (345, 602505), (405, 513245), (575, 361503), (621, 334725), (675, 307947), (1035, 200835), (1725, 120501), (1863, 111575), (2025, 102649), (3105, 66945), (4463, 46575), (5175, 40167), (9315, 22315), (13389, 15525)]