7987752981

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1\times {\mathrm{2729}}^1$

素因数の和:3051

約数の個数: 64

約数和(自身を含む): 13208832000

約数和(自身を除く): 5221079019

約数列:

[1, 3, 9, 13, 27, 31, 39, 93, 117, 269, 279, 351, 403, 807, 837, 1209, 2421, 2729, 3497, 3627, 7263, 8187, 8339, 10491, 10881, 24561, 25017, 31473, 35477, 73683, 75051, 84599, 94419, 106431, 108407, 225153, 253797, 319293, 325221, 734101, 761391, 957879, 975663, 1099787, 2202303, 2284173, 2926989, 3299361, 6606909, 9543313, 9898083, 19820727, 22757131, 28629939, 29694249, 68271393, 85889817, 204814179, 257669451, 295842703, 614442537, 887528109, 2662584327, 7987752981]

約数ペア:

[(1, 7987752981), (3, 2662584327), (9, 887528109), (13, 614442537), (27, 295842703), (31, 257669451), (39, 204814179), (93, 85889817), (117, 68271393), (269, 29694249), (279, 28629939), (351, 22757131), (403, 19820727), (807, 9898083), (837, 9543313), (1209, 6606909), (2421, 3299361), (2729, 2926989), (3497, 2284173), (3627, 2202303), (7263, 1099787), (8187, 975663), (8339, 957879), (10491, 761391), (10881, 734101), (24561, 325221), (25017, 319293), (31473, 253797), (35477, 225153), (73683, 108407), (75051, 106431), (84599, 94419)]