25010775

素因数分解:

$3^5\times 5^2\times {\mathrm{23}}^1\times {\mathrm{179}}^1$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 48746880

約数和(自身を除く): 23736105

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 69, 75, 81, 115, 135, 179, 207, 225, 243, 345, 405, 537, 575, 621, 675, 895, 1035, 1215, 1611, 1725, 1863, 2025, 2685, 3105, 4117, 4475, 4833, 5175, 5589, 6075, 8055, 9315, 12351, 13425, 14499, 15525, 20585, 24165, 27945, 37053, 40275, 43497, 46575, 61755, 72495, 102925, 111159, 120825, 139725, 185265, 217485, 308775, 333477, 362475, 555795, 926325, 1000431, 1087425, 1667385, 2778975, 5002155, 8336925, 25010775]

約数ペア:

[(1, 25010775), (3, 8336925), (5, 5002155), (9, 2778975), (15, 1667385), (23, 1087425), (25, 1000431), (27, 926325), (45, 555795), (69, 362475), (75, 333477), (81, 308775), (115, 217485), (135, 185265), (179, 139725), (207, 120825), (225, 111159), (243, 102925), (345, 72495), (405, 61755), (537, 46575), (575, 43497), (621, 40275), (675, 37053), (895, 27945), (1035, 24165), (1215, 20585), (1611, 15525), (1725, 14499), (1863, 13425), (2025, 12351), (2685, 9315), (3105, 8055), (4117, 6075), (4475, 5589), (4833, 5175)]