2270775

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 4312224

約数和(自身を除く): 2041449

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 51, 65, 75, 85, 137, 195, 221, 255, 325, 411, 425, 663, 685, 975, 1105, 1275, 1781, 2055, 2329, 3315, 3425, 5343, 5525, 6987, 8905, 10275, 11645, 16575, 26715, 30277, 34935, 44525, 58225, 90831, 133575, 151385, 174675, 454155, 756925, 2270775]

約数ペア:

[(1, 2270775), (3, 756925), (5, 454155), (13, 174675), (15, 151385), (17, 133575), (25, 90831), (39, 58225), (51, 44525), (65, 34935), (75, 30277), (85, 26715), (137, 16575), (195, 11645), (221, 10275), (255, 8905), (325, 6987), (411, 5525), (425, 5343), (663, 3425), (685, 3315), (975, 2329), (1105, 2055), (1275, 1781)]