189938307

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1871}}^1$

素因数の和:2043

約数の個数: 32

約数和(自身を含む): 289336320

約数和(自身を除く): 99398013

約数列:

[1, 3, 13, 19, 39, 57, 137, 247, 411, 741, 1781, 1871, 2603, 5343, 5613, 7809, 24323, 33839, 35549, 72969, 101517, 106647, 256327, 462137, 768981, 1386411, 3332251, 4870213, 9996753, 14610639, 63312769, 189938307]

約数ペア:

[(1, 189938307), (3, 63312769), (13, 14610639), (19, 9996753), (39, 4870213), (57, 3332251), (137, 1386411), (247, 768981), (411, 462137), (741, 256327), (1781, 106647), (1871, 101517), (2603, 72969), (5343, 35549), (5613, 33839), (7809, 24323)]