11891943

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{283}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 21265920

約数和(自身を除く): 9373977

約数列:

[1, 3, 7, 9, 21, 23, 29, 63, 69, 87, 161, 203, 207, 261, 283, 483, 609, 667, 849, 1449, 1827, 1981, 2001, 2547, 4669, 5943, 6003, 6509, 8207, 14007, 17829, 19527, 24621, 42021, 45563, 57449, 58581, 73863, 136689, 172347, 188761, 410067, 517041, 566283, 1321327, 1698849, 3963981, 11891943]

約数ペア:

[(1, 11891943), (3, 3963981), (7, 1698849), (9, 1321327), (21, 566283), (23, 517041), (29, 410067), (63, 188761), (69, 172347), (87, 136689), (161, 73863), (203, 58581), (207, 57449), (261, 45563), (283, 42021), (483, 24621), (609, 19527), (667, 17829), (849, 14007), (1449, 8207), (1827, 6509), (1981, 6003), (2001, 5943), (2547, 4669)]