27797725

素因数分解:

$5^2\times {\mathrm{101}}^2\times {\mathrm{109}}^1$

素因数の和:321

約数の個数: 18

約数和(自身を含む): 35133230

約数和(自身を除く): 7335505

約数列:

[1, 5, 25, 101, 109, 505, 545, 2525, 2725, 10201, 11009, 51005, 55045, 255025, 275225, 1111909, 5559545, 27797725]

約数ペア:

[(1, 27797725), (5, 5559545), (25, 1111909), (101, 275225), (109, 255025), (505, 55045), (545, 51005), (2525, 11009), (2725, 10201)]