28421715

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{38669}}^1$

素因数の和:38691

約数の個数: 24

約数和(自身を含む): 52900560

約数和(自身を除く): 24478845

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 38669, 116007, 193345, 270683, 580035, 812049, 1353415, 1894781, 4060245, 5684343, 9473905, 28421715]

約数ペア:

[(1, 28421715), (3, 9473905), (5, 5684343), (7, 4060245), (15, 1894781), (21, 1353415), (35, 812049), (49, 580035), (105, 270683), (147, 193345), (245, 116007), (735, 38669)]