142946979

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{283}}^1\times {\mathrm{359}}^1$

素因数の和:719

約数の個数: 32

約数和(自身を含む): 222474240

約数和(自身を除く): 79527261

約数列:

[1, 3, 7, 21, 67, 201, 283, 359, 469, 849, 1077, 1407, 1981, 2513, 5943, 7539, 18961, 24053, 56883, 72159, 101597, 132727, 168371, 304791, 398181, 505113, 711179, 2133537, 6806999, 20420997, 47648993, 142946979]

約数ペア:

[(1, 142946979), (3, 47648993), (7, 20420997), (21, 6806999), (67, 2133537), (201, 711179), (283, 505113), (359, 398181), (469, 304791), (849, 168371), (1077, 132727), (1407, 101597), (1981, 72159), (2513, 56883), (5943, 24053), (7539, 18961)]