9747725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{337}}^1$

素因数の和:449

約数の個数: 24

約数和(自身を含む): 13202280

約数和(自身を除く): 3454555

約数列:

[1, 5, 13, 25, 65, 89, 325, 337, 445, 1157, 1685, 2225, 4381, 5785, 8425, 21905, 28925, 29993, 109525, 149965, 389909, 749825, 1949545, 9747725]

約数ペア:

[(1, 9747725), (5, 1949545), (13, 749825), (25, 389909), (65, 149965), (89, 109525), (325, 29993), (337, 28925), (445, 21905), (1157, 8425), (1685, 5785), (2225, 4381)]