2812989123

素因数分解:

$3^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{200227}}^1$

素因数の和:200463

約数の個数: 24

約数和(自身を含む): 4664511488

約数和(自身を除く): 1851522365

約数列:

[1, 3, 7, 9, 21, 63, 223, 669, 1561, 2007, 4683, 14049, 200227, 600681, 1401589, 1802043, 4204767, 12614301, 44650621, 133951863, 312554347, 401855589, 937663041, 2812989123]

約数ペア:

[(1, 2812989123), (3, 937663041), (7, 401855589), (9, 312554347), (21, 133951863), (63, 44650621), (223, 12614301), (669, 4204767), (1561, 1802043), (2007, 1401589), (4683, 600681), (14049, 200227)]