39199881

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:573

約数の個数: 32

約数和(自身を含む): 61710336

約数和(自身を除く): 22510455

約数列:

[1, 3, 7, 21, 61, 71, 183, 213, 427, 431, 497, 1281, 1293, 1491, 3017, 4331, 9051, 12993, 26291, 30317, 30601, 78873, 90951, 91803, 184037, 214207, 552111, 642621, 1866661, 5599983, 13066627, 39199881]

約数ペア:

[(1, 39199881), (3, 13066627), (7, 5599983), (21, 1866661), (61, 642621), (71, 552111), (183, 214207), (213, 184037), (427, 91803), (431, 90951), (497, 78873), (1281, 30601), (1293, 30317), (1491, 26291), (3017, 12993), (4331, 9051)]