28559925

素因数分解:

$3^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{1459}}^1$

素因数の和:1507

約数の個数: 48

約数和(自身を含む): 54312000

約数和(自身を除く): 25752075

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 75, 87, 135, 145, 225, 261, 435, 675, 725, 783, 1305, 1459, 2175, 3915, 4377, 6525, 7295, 13131, 19575, 21885, 36475, 39393, 42311, 65655, 109425, 126933, 196965, 211555, 328275, 380799, 634665, 984825, 1057775, 1142397, 1903995, 3173325, 5711985, 9519975, 28559925]

約数ペア:

[(1, 28559925), (3, 9519975), (5, 5711985), (9, 3173325), (15, 1903995), (25, 1142397), (27, 1057775), (29, 984825), (45, 634665), (75, 380799), (87, 328275), (135, 211555), (145, 196965), (225, 126933), (261, 109425), (435, 65655), (675, 42311), (725, 39393), (783, 36475), (1305, 21885), (1459, 19575), (2175, 13131), (3915, 7295), (4377, 6525)]