31230486

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3491}}^1$

素因数の和:3577

約数の個数: 48

約数和(自身を含む): 78444288

約数和(自身を除く): 47213802

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 71, 126, 142, 213, 426, 497, 639, 994, 1278, 1491, 2982, 3491, 4473, 6982, 8946, 10473, 20946, 24437, 31419, 48874, 62838, 73311, 146622, 219933, 247861, 439866, 495722, 743583, 1487166, 1735027, 2230749, 3470054, 4461498, 5205081, 10410162, 15615243, 31230486]

約数ペア:

[(1, 31230486), (2, 15615243), (3, 10410162), (6, 5205081), (7, 4461498), (9, 3470054), (14, 2230749), (18, 1735027), (21, 1487166), (42, 743583), (63, 495722), (71, 439866), (126, 247861), (142, 219933), (213, 146622), (426, 73311), (497, 62838), (639, 48874), (994, 31419), (1278, 24437), (1491, 20946), (2982, 10473), (3491, 8946), (4473, 6982)]