71520423

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{271}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 105649152

約数和(自身を除く): 34128729

約数列:

[1, 3, 13, 39, 67, 101, 201, 271, 303, 813, 871, 1313, 2613, 3523, 3939, 6767, 10569, 18157, 20301, 27371, 54471, 82113, 87971, 236041, 263913, 355823, 708123, 1067469, 1833857, 5501571, 23840141, 71520423]

約数ペア:

[(1, 71520423), (3, 23840141), (13, 5501571), (39, 1833857), (67, 1067469), (101, 708123), (201, 355823), (271, 263913), (303, 236041), (813, 87971), (871, 82113), (1313, 54471), (2613, 27371), (3523, 20301), (3939, 18157), (6767, 10569)]