71980947

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{72053}}^1$

素因数の和:72099

約数の個数: 16

約数和(自身を含む): 109522080

約数和(自身を除く): 37541133

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 72053, 216159, 648477, 1945431, 2665961, 7997883, 23993649, 71980947]

約数ペア:

[(1, 71980947), (3, 23993649), (9, 7997883), (27, 2665961), (37, 1945431), (111, 648477), (333, 216159), (999, 72053)]