2005439997

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1087}}^1\times {\mathrm{1511}}^1$

素因数の和:2649

約数の個数: 32

約数和(自身を含む): 3000582144

約数和(自身を除く): 995142147

約数列:

[1, 3, 11, 33, 37, 111, 407, 1087, 1221, 1511, 3261, 4533, 11957, 16621, 35871, 40219, 49863, 55907, 120657, 167721, 442409, 614977, 1327227, 1642457, 1844931, 4927371, 18067027, 54201081, 60770909, 182312727, 668479999, 2005439997]

約数ペア:

[(1, 2005439997), (3, 668479999), (11, 182312727), (33, 60770909), (37, 54201081), (111, 18067027), (407, 4927371), (1087, 1844931), (1221, 1642457), (1511, 1327227), (3261, 614977), (4533, 442409), (11957, 167721), (16621, 120657), (35871, 55907), (40219, 49863)]