202971321

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{45377}}^1$

素因数の和:45461

約数の個数: 24

約数和(自身を含む): 339790464

約数和(自身を除く): 136819143

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 45377, 136131, 317639, 408393, 952917, 2858751, 3221767, 9665301, 22552369, 28995903, 67657107, 202971321]

約数ペア:

[(1, 202971321), (3, 67657107), (7, 28995903), (9, 22552369), (21, 9665301), (63, 3221767), (71, 2858751), (213, 952917), (497, 408393), (639, 317639), (1491, 136131), (4473, 45377)]