56990007

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{257}}^1$

素因数の和:500

約数の個数: 32

約数和(自身を含む): 87183360

約数和(自身を除く): 30193353

約数列:

[1, 3, 9, 27, 43, 129, 191, 257, 387, 573, 771, 1161, 1719, 2313, 5157, 6939, 8213, 11051, 24639, 33153, 49087, 73917, 99459, 147261, 221751, 298377, 441783, 1325349, 2110741, 6332223, 18996669, 56990007]

約数ペア:

[(1, 56990007), (3, 18996669), (9, 6332223), (27, 2110741), (43, 1325349), (129, 441783), (191, 298377), (257, 221751), (387, 147261), (573, 99459), (771, 73917), (1161, 49087), (1719, 33153), (2313, 24639), (5157, 11051), (6939, 8213)]