201902589

素因数分解:

$3^2\times 7^2\times {\mathrm{457829}}^1$

素因数の和:457849

約数の個数: 18

約数和(自身を含む): 339252030

約数和(自身を除く): 137349441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 457829, 1373487, 3204803, 4120461, 9614409, 22433621, 28843227, 67300863, 201902589]

約数ペア:

[(1, 201902589), (3, 67300863), (7, 28843227), (9, 22433621), (21, 9614409), (49, 4120461), (63, 3204803), (147, 1373487), (441, 457829)]