28803981

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 42762240

約数和(自身を除く): 13958259

約数列:

[1, 3, 19, 23, 57, 69, 127, 173, 381, 437, 519, 1311, 2413, 2921, 3287, 3979, 7239, 8763, 9861, 11937, 21971, 55499, 65913, 75601, 166497, 226803, 417449, 505333, 1252347, 1515999, 9601327, 28803981]

約数ペア:

[(1, 28803981), (3, 9601327), (19, 1515999), (23, 1252347), (57, 505333), (69, 417449), (127, 226803), (173, 166497), (381, 75601), (437, 65913), (519, 55499), (1311, 21971), (2413, 11937), (2921, 9861), (3287, 8763), (3979, 7239)]