71928297

素因数分解:

$3^3\times 7^1\times {\mathrm{431}}^1\times {\mathrm{883}}^1$

素因数の和:1330

約数の個数: 32

約数和(自身を含む): 122204160

約数和(自身を除く): 50275863

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 431, 883, 1293, 2649, 3017, 3879, 6181, 7947, 9051, 11637, 18543, 23841, 27153, 55629, 81459, 166887, 380573, 1141719, 2664011, 3425157, 7992033, 10275471, 23976099, 71928297]

約数ペア:

[(1, 71928297), (3, 23976099), (7, 10275471), (9, 7992033), (21, 3425157), (27, 2664011), (63, 1141719), (189, 380573), (431, 166887), (883, 81459), (1293, 55629), (2649, 27153), (3017, 23841), (3879, 18543), (6181, 11637), (7947, 9051)]