2187902125

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{1029601}}^1$

素因数の和:1029633

約数の個数: 16

約数和(自身を含む): 2891122416

約数和(自身を除く): 703220291

約数列:

[1, 5, 17, 25, 85, 125, 425, 2125, 1029601, 5148005, 17503217, 25740025, 87516085, 128700125, 437580425, 2187902125]

約数ペア:

[(1, 2187902125), (5, 437580425), (17, 128700125), (25, 87516085), (85, 25740025), (125, 17503217), (425, 5148005), (2125, 1029601)]