15289975

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:331

約数の個数: 24

約数和(自身を含む): 19859840

約数和(自身を除く): 4569865

約数列:

[1, 5, 25, 31, 109, 155, 181, 545, 775, 905, 2725, 3379, 4525, 5611, 16895, 19729, 28055, 84475, 98645, 140275, 493225, 611599, 3057995, 15289975]

約数ペア:

[(1, 15289975), (5, 3057995), (25, 611599), (31, 493225), (109, 140275), (155, 98645), (181, 84475), (545, 28055), (775, 19729), (905, 16895), (2725, 5611), (3379, 4525)]