28528983

素因数分解:

$3^3\times 7^1\times {\mathrm{271}}^1\times {\mathrm{557}}^1$

素因数の和:844

約数の個数: 32

約数和(自身を含む): 48568320

約数和(自身を除く): 20039337

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 271, 557, 813, 1671, 1897, 2439, 3899, 5013, 5691, 7317, 11697, 15039, 17073, 35091, 51219, 105273, 150947, 452841, 1056629, 1358523, 3169887, 4075569, 9509661, 28528983]

約数ペア:

[(1, 28528983), (3, 9509661), (7, 4075569), (9, 3169887), (21, 1358523), (27, 1056629), (63, 452841), (189, 150947), (271, 105273), (557, 51219), (813, 35091), (1671, 17073), (1897, 15039), (2439, 11697), (3899, 7317), (5013, 5691)]