71974845

素因数分解:

$3^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1237}}^1$

素因数の和:1682

約数の個数: 32

約数和(自身を含む): 128355840

約数和(自身を除く): 56380995

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 431, 1237, 1293, 2155, 3711, 3879, 6185, 6465, 11133, 11637, 18555, 19395, 33399, 55665, 58185, 166995, 533147, 1599441, 2665735, 4798323, 7997205, 14394969, 23991615, 71974845]

約数ペア:

[(1, 71974845), (3, 23991615), (5, 14394969), (9, 7997205), (15, 4798323), (27, 2665735), (45, 1599441), (135, 533147), (431, 166995), (1237, 58185), (1293, 55665), (2155, 33399), (3711, 19395), (3879, 18555), (6185, 11637), (6465, 11133)]