28828275

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1277}}^1$

素因数の和:1340

約数の個数: 48

約数和(自身を含む): 55782144

約数和(自身を除く): 26953869

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 43, 75, 105, 129, 175, 215, 301, 525, 645, 903, 1075, 1277, 1505, 3225, 3831, 4515, 6385, 7525, 8939, 19155, 22575, 26817, 31925, 44695, 54911, 95775, 134085, 164733, 223475, 274555, 384377, 670425, 823665, 1153131, 1372775, 1921885, 4118325, 5765655, 9609425, 28828275]

約数ペア:

[(1, 28828275), (3, 9609425), (5, 5765655), (7, 4118325), (15, 1921885), (21, 1372775), (25, 1153131), (35, 823665), (43, 670425), (75, 384377), (105, 274555), (129, 223475), (175, 164733), (215, 134085), (301, 95775), (525, 54911), (645, 44695), (903, 31925), (1075, 26817), (1277, 22575), (1505, 19155), (3225, 8939), (3831, 7525), (4515, 6385)]