28507239

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{3547}}^1$

素因数の和:3619

約数の個数: 24

約数和(自身を含む): 44279040

約数和(自身を除く): 15771801

約数列:

[1, 3, 9, 19, 47, 57, 141, 171, 423, 893, 2679, 3547, 8037, 10641, 31923, 67393, 166709, 202179, 500127, 606537, 1500381, 3167471, 9502413, 28507239]

約数ペア:

[(1, 28507239), (3, 9502413), (9, 3167471), (19, 1500381), (47, 606537), (57, 500127), (141, 202179), (171, 166709), (423, 67393), (893, 31923), (2679, 10641), (3547, 8037)]