201870963

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{45131}}^1$

素因数の和:45215

約数の個数: 24

約数和(自身を含む): 337948416

約数和(自身を除く): 136077453

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 45131, 135393, 315917, 406179, 947751, 2843253, 3204301, 9612903, 22430107, 28838709, 67290321, 201870963]

約数ペア:

[(1, 201870963), (3, 67290321), (7, 28838709), (9, 22430107), (21, 9612903), (63, 3204301), (71, 2843253), (213, 947751), (497, 406179), (639, 315917), (1491, 135393), (4473, 45131)]