127836549

素因数分解:

$3^4\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:216

約数の個数: 60

約数和(自身を含む): 209211904

約数和(自身を除く): 81375355

約数列:

[1, 3, 9, 17, 27, 43, 51, 81, 127, 129, 153, 289, 381, 387, 459, 731, 867, 1143, 1161, 1377, 2159, 2193, 2601, 3429, 3483, 5461, 6477, 6579, 7803, 10287, 12427, 16383, 19431, 19737, 23409, 36703, 37281, 49149, 58293, 59211, 92837, 110109, 111843, 147447, 174879, 278511, 330327, 335529, 442341, 835533, 990981, 1006587, 1578229, 2506599, 2972943, 4734687, 7519797, 14204061, 42612183, 127836549]

約数ペア:

[(1, 127836549), (3, 42612183), (9, 14204061), (17, 7519797), (27, 4734687), (43, 2972943), (51, 2506599), (81, 1578229), (127, 1006587), (129, 990981), (153, 835533), (289, 442341), (381, 335529), (387, 330327), (459, 278511), (731, 174879), (867, 147447), (1143, 111843), (1161, 110109), (1377, 92837), (2159, 59211), (2193, 58293), (2601, 49149), (3429, 37281), (3483, 36703), (5461, 23409), (6477, 19737), (6579, 19431), (7803, 16383), (10287, 12427)]