1421725

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:129

約数の個数: 24

約数和(自身を含む): 1908360

約数和(自身を除く): 486635

約数列:

[1, 5, 25, 29, 37, 53, 145, 185, 265, 725, 925, 1073, 1325, 1537, 1961, 5365, 7685, 9805, 26825, 38425, 49025, 56869, 284345, 1421725]

約数ペア:

[(1, 1421725), (5, 284345), (25, 56869), (29, 49025), (37, 38425), (53, 26825), (145, 9805), (185, 7685), (265, 5365), (725, 1961), (925, 1537), (1073, 1325)]