28400883

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{463}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 45613056

約数和(自身を除く): 17212173

約数列:

[1, 3, 7, 21, 23, 69, 127, 161, 381, 463, 483, 889, 1389, 2667, 2921, 3241, 8763, 9723, 10649, 20447, 31947, 58801, 61341, 74543, 176403, 223629, 411607, 1234821, 1352423, 4057269, 9466961, 28400883]

約数ペア:

[(1, 28400883), (3, 9466961), (7, 4057269), (21, 1352423), (23, 1234821), (69, 411607), (127, 223629), (161, 176403), (381, 74543), (463, 61341), (483, 58801), (889, 31947), (1389, 20447), (2667, 10649), (2921, 9723), (3241, 8763)]