15117739

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 20127744

約数和(自身を除く): 5010005

約数列:

[1, 7, 13, 23, 31, 91, 161, 217, 233, 299, 403, 713, 1631, 2093, 2821, 3029, 4991, 5359, 7223, 9269, 21203, 37513, 50561, 64883, 69667, 93899, 166129, 487669, 657293, 1162903, 2159677, 15117739]

約数ペア:

[(1, 15117739), (7, 2159677), (13, 1162903), (23, 657293), (31, 487669), (91, 166129), (161, 93899), (217, 69667), (233, 64883), (299, 50561), (403, 37513), (713, 21203), (1631, 9269), (2093, 7223), (2821, 5359), (3029, 4991)]