66551175

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:297

約数の個数: 72

約数和(自身を含む): 128134656

約数和(自身を除く): 61583481

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 127, 137, 153, 225, 255, 381, 411, 425, 635, 685, 765, 1143, 1233, 1275, 1905, 2055, 2159, 2329, 3175, 3425, 3825, 5715, 6165, 6477, 6987, 9525, 10275, 10795, 11645, 17399, 19431, 20961, 28575, 30825, 32385, 34935, 52197, 53975, 58225, 86995, 97155, 104805, 156591, 161925, 174675, 260985, 295783, 434975, 485775, 524025, 782955, 887349, 1304925, 1478915, 2662047, 3914775, 4436745, 7394575, 13310235, 22183725, 66551175]

約数ペア:

[(1, 66551175), (3, 22183725), (5, 13310235), (9, 7394575), (15, 4436745), (17, 3914775), (25, 2662047), (45, 1478915), (51, 1304925), (75, 887349), (85, 782955), (127, 524025), (137, 485775), (153, 434975), (225, 295783), (255, 260985), (381, 174675), (411, 161925), (425, 156591), (635, 104805), (685, 97155), (765, 86995), (1143, 58225), (1233, 53975), (1275, 52197), (1905, 34935), (2055, 32385), (2159, 30825), (2329, 28575), (3175, 20961), (3425, 19431), (3825, 17399), (5715, 11645), (6165, 10795), (6477, 10275), (6987, 9525)]