15317705

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:273

約数の個数: 32

約数和(自身を含む): 21235200

約数和(自身を除く): 5917495

約数列:

[1, 5, 13, 19, 65, 79, 95, 157, 247, 395, 785, 1027, 1235, 1501, 2041, 2983, 5135, 7505, 10205, 12403, 14915, 19513, 38779, 62015, 97565, 161239, 193895, 235657, 806195, 1178285, 3063541, 15317705]

約数ペア:

[(1, 15317705), (5, 3063541), (13, 1178285), (19, 806195), (65, 235657), (79, 193895), (95, 161239), (157, 97565), (247, 62015), (395, 38779), (785, 19513), (1027, 14915), (1235, 12403), (1501, 10205), (2041, 7505), (2983, 5135)]