25223247

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5639}}^1$

素因数の和:5723

約数の個数: 24

約数和(自身を含む): 42232320

約数和(自身を除く): 17009073

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 5639, 16917, 39473, 50751, 118419, 355257, 400369, 1201107, 2802583, 3603321, 8407749, 25223247]

約数ペア:

[(1, 25223247), (3, 8407749), (7, 3603321), (9, 2802583), (21, 1201107), (63, 400369), (71, 355257), (213, 118419), (497, 50751), (639, 39473), (1491, 16917), (4473, 5639)]