31931739

素因数分解:

$3^4\times 7^1\times {\mathrm{199}}^1\times {\mathrm{283}}^1$

素因数の和:501

約数の個数: 40

約数和(自身を含む): 54982400

約数和(自身を除く): 23050661

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 199, 283, 567, 597, 849, 1393, 1791, 1981, 2547, 4179, 5373, 5943, 7641, 12537, 16119, 17829, 22923, 37611, 53487, 56317, 112833, 160461, 168951, 394219, 506853, 1182657, 1520559, 3547971, 4561677, 10643913, 31931739]

約数ペア:

[(1, 31931739), (3, 10643913), (7, 4561677), (9, 3547971), (21, 1520559), (27, 1182657), (63, 506853), (81, 394219), (189, 168951), (199, 160461), (283, 112833), (567, 56317), (597, 53487), (849, 37611), (1393, 22923), (1791, 17829), (1981, 16119), (2547, 12537), (4179, 7641), (5373, 5943)]