28397313

素因数分解:

$3^2\times 7^3\times {\mathrm{9199}}^1$

素因数の和:9226

約数の個数: 24

約数和(自身を含む): 47840000

約数和(自身を除く): 19442687

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 9199, 27597, 64393, 82791, 193179, 450751, 579537, 1352253, 3155257, 4056759, 9465771, 28397313]

約数ペア:

[(1, 28397313), (3, 9465771), (7, 4056759), (9, 3155257), (21, 1352253), (49, 579537), (63, 450751), (147, 193179), (343, 82791), (441, 64393), (1029, 27597), (3087, 9199)]