521306667

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{1619}}^1$

素因数の和:1920

約数の個数: 48

約数和(自身を含む): 909792000

約数和(自身を除く): 388485333

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 269, 399, 807, 1197, 1619, 1883, 2421, 4857, 5111, 5649, 11333, 14571, 15333, 16947, 30761, 33999, 35777, 45999, 92283, 101997, 107331, 215327, 276849, 321993, 435511, 645981, 1306533, 1937943, 3048577, 3919599, 8274709, 9145731, 24824127, 27437193, 57922963, 74472381, 173768889, 521306667]

約数ペア:

[(1, 521306667), (3, 173768889), (7, 74472381), (9, 57922963), (19, 27437193), (21, 24824127), (57, 9145731), (63, 8274709), (133, 3919599), (171, 3048577), (269, 1937943), (399, 1306533), (807, 645981), (1197, 435511), (1619, 321993), (1883, 276849), (2421, 215327), (4857, 107331), (5111, 101997), (5649, 92283), (11333, 45999), (14571, 35777), (15333, 33999), (16947, 30761)]