28324725

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:195

約数の個数: 96

約数和(自身を含む): 58329600

約数和(自身を除く): 30004875

約数列:

[1, 3, 5, 11, 13, 15, 19, 25, 33, 39, 55, 57, 65, 75, 95, 139, 143, 165, 195, 209, 247, 275, 285, 325, 417, 429, 475, 627, 695, 715, 741, 825, 975, 1045, 1235, 1425, 1529, 1807, 2085, 2145, 2641, 2717, 3135, 3475, 3575, 3705, 4587, 5225, 5421, 6175, 7645, 7923, 8151, 9035, 10425, 10725, 13205, 13585, 15675, 18525, 19877, 22935, 27105, 29051, 34333, 38225, 39615, 40755, 45175, 59631, 66025, 67925, 87153, 99385, 102999, 114675, 135525, 145255, 171665, 198075, 203775, 298155, 377663, 435765, 496925, 514995, 726275, 858325, 1132989, 1490775, 1888315, 2178825, 2574975, 5664945, 9441575, 28324725]

約数ペア:

[(1, 28324725), (3, 9441575), (5, 5664945), (11, 2574975), (13, 2178825), (15, 1888315), (19, 1490775), (25, 1132989), (33, 858325), (39, 726275), (55, 514995), (57, 496925), (65, 435765), (75, 377663), (95, 298155), (139, 203775), (143, 198075), (165, 171665), (195, 145255), (209, 135525), (247, 114675), (275, 102999), (285, 99385), (325, 87153), (417, 67925), (429, 66025), (475, 59631), (627, 45175), (695, 40755), (715, 39615), (741, 38225), (825, 34333), (975, 29051), (1045, 27105), (1235, 22935), (1425, 19877), (1529, 18525), (1807, 15675), (2085, 13585), (2145, 13205), (2641, 10725), (2717, 10425), (3135, 9035), (3475, 8151), (3575, 7923), (3705, 7645), (4587, 6175), (5225, 5421)]