28447983

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{229}}^1$

素因数の和:388

約数の個数: 32

約数和(自身を含む): 43718400

約数和(自身を除く): 15270417

約数列:

[1, 3, 9, 27, 43, 107, 129, 229, 321, 387, 687, 963, 1161, 2061, 2889, 4601, 6183, 9847, 13803, 24503, 29541, 41409, 73509, 88623, 124227, 220527, 265869, 661581, 1053629, 3160887, 9482661, 28447983]

約数ペア:

[(1, 28447983), (3, 9482661), (9, 3160887), (27, 1053629), (43, 661581), (107, 265869), (129, 220527), (229, 124227), (321, 88623), (387, 73509), (687, 41409), (963, 29541), (1161, 24503), (2061, 13803), (2889, 9847), (4601, 6183)]