27928875

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{337}}^1$

素因数の和:385

約数の個数: 64

約数和(自身を含む): 53149824

約数和(自身を除く): 25220949

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 51, 65, 75, 85, 125, 195, 221, 255, 325, 337, 375, 425, 663, 975, 1011, 1105, 1275, 1625, 1685, 2125, 3315, 4381, 4875, 5055, 5525, 5729, 6375, 8425, 13143, 16575, 17187, 21905, 25275, 27625, 28645, 42125, 65715, 74477, 82875, 85935, 109525, 126375, 143225, 223431, 328575, 372385, 429675, 547625, 716125, 1117155, 1642875, 1861925, 2148375, 5585775, 9309625, 27928875]

約数ペア:

[(1, 27928875), (3, 9309625), (5, 5585775), (13, 2148375), (15, 1861925), (17, 1642875), (25, 1117155), (39, 716125), (51, 547625), (65, 429675), (75, 372385), (85, 328575), (125, 223431), (195, 143225), (221, 126375), (255, 109525), (325, 85935), (337, 82875), (375, 74477), (425, 65715), (663, 42125), (975, 28645), (1011, 27625), (1105, 25275), (1275, 21905), (1625, 17187), (1685, 16575), (2125, 13143), (3315, 8425), (4381, 6375), (4875, 5729), (5055, 5525)]