15721917837

素因数分解:

$3^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1\times {\mathrm{359}}^1\times {\mathrm{593}}^1$

素因数の和:1297

約数の個数: 32

約数和(自身を含む): 21349785600

約数和(自身を除く): 5627867763

約数列:

[1, 3, 103, 239, 309, 359, 593, 717, 1077, 1779, 24617, 36977, 61079, 73851, 85801, 110931, 141727, 183237, 212887, 257403, 425181, 638661, 8837503, 14597881, 21927361, 26512509, 43793643, 50879993, 65782083, 152639979, 5240639279, 15721917837]

約数ペア:

[(1, 15721917837), (3, 5240639279), (103, 152639979), (239, 65782083), (309, 50879993), (359, 43793643), (593, 26512509), (717, 21927361), (1077, 14597881), (1779, 8837503), (24617, 638661), (36977, 425181), (61079, 257403), (73851, 212887), (85801, 183237), (110931, 141727)]