28561761

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{337}}^1$

素因数の和:462

約数の個数: 32

約数和(自身を含む): 44021120

約数和(自身を除く): 15459359

約数列:

[1, 3, 9, 27, 43, 73, 129, 219, 337, 387, 657, 1011, 1161, 1971, 3033, 3139, 9099, 9417, 14491, 24601, 28251, 43473, 73803, 84753, 130419, 221409, 391257, 664227, 1057843, 3173529, 9520587, 28561761]

約数ペア:

[(1, 28561761), (3, 9520587), (9, 3173529), (27, 1057843), (43, 664227), (73, 391257), (129, 221409), (219, 130419), (337, 84753), (387, 73803), (657, 43473), (1011, 28251), (1161, 24601), (1971, 14491), (3033, 9417), (3139, 9099)]