64813839

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 94162944

約数和(自身を除く): 29349105

約数列:

[1, 3, 23, 31, 69, 93, 157, 193, 471, 579, 713, 2139, 3611, 4439, 4867, 5983, 10833, 13317, 14601, 17949, 30301, 90903, 111941, 137609, 335823, 412827, 696923, 939331, 2090769, 2817993, 21604613, 64813839]

約数ペア:

[(1, 64813839), (3, 21604613), (23, 2817993), (31, 2090769), (69, 939331), (93, 696923), (157, 412827), (193, 335823), (471, 137609), (579, 111941), (713, 90903), (2139, 30301), (3611, 17949), (4439, 14601), (4867, 13317), (5983, 10833)]