40187979

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{883}}^1$

素因数の和:1291

約数の個数: 24

約数和(自身を含む): 62746320

約数和(自身を除く): 22558341

約数列:

[1, 3, 9, 13, 39, 117, 389, 883, 1167, 2649, 3501, 5057, 7947, 11479, 15171, 34437, 45513, 103311, 343487, 1030461, 3091383, 4465331, 13395993, 40187979]

約数ペア:

[(1, 40187979), (3, 13395993), (9, 4465331), (13, 3091383), (39, 1030461), (117, 343487), (389, 103311), (883, 45513), (1167, 34437), (2649, 15171), (3501, 11479), (5057, 7947)]