28789173

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{14741}}^1$

素因数の和:14785

約数の個数: 24

約数和(自身を含む): 49061376

約数和(自身を除く): 20272203

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 14741, 44223, 103187, 132669, 309561, 456971, 928683, 1370913, 3198797, 4112739, 9596391, 28789173]

約数ペア:

[(1, 28789173), (3, 9596391), (7, 4112739), (9, 3198797), (21, 1370913), (31, 928683), (63, 456971), (93, 309561), (217, 132669), (279, 103187), (651, 44223), (1953, 14741)]