28434987

素因数分解:

$3^2\times 7^1\times {\mathrm{523}}^1\times {\mathrm{863}}^1$

素因数の和:1399

約数の個数: 24

約数和(自身を含む): 47084544

約数和(自身を除く): 18649557

約数列:

[1, 3, 7, 9, 21, 63, 523, 863, 1569, 2589, 3661, 4707, 6041, 7767, 10983, 18123, 32949, 54369, 451349, 1354047, 3159443, 4062141, 9478329, 28434987]

約数ペア:

[(1, 28434987), (3, 9478329), (7, 4062141), (9, 3159443), (21, 1354047), (63, 451349), (523, 54369), (863, 32949), (1569, 18123), (2589, 10983), (3661, 7767), (4707, 6041)]