28493559

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{829}}^1$

素因数の和:924

約数の個数: 32

約数和(自身を含む): 45152000

約数和(自身を除く): 16658441

約数列:

[1, 3, 9, 19, 27, 57, 67, 171, 201, 513, 603, 829, 1273, 1809, 2487, 3819, 7461, 11457, 15751, 22383, 34371, 47253, 55543, 141759, 166629, 425277, 499887, 1055317, 1499661, 3165951, 9497853, 28493559]

約数ペア:

[(1, 28493559), (3, 9497853), (9, 3165951), (19, 1499661), (27, 1055317), (57, 499887), (67, 425277), (171, 166629), (201, 141759), (513, 55543), (603, 47253), (829, 34371), (1273, 22383), (1809, 15751), (2487, 11457), (3819, 7461)]