9938075

素因数分解:

$5^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{521}}^1$

素因数の和:647

約数の個数: 24

約数和(自身を含む): 14240160

約数和(自身を除く): 4302085

約数列:

[1, 5, 7, 25, 35, 109, 175, 521, 545, 763, 2605, 2725, 3647, 3815, 13025, 18235, 19075, 56789, 91175, 283945, 397523, 1419725, 1987615, 9938075]

約数ペア:

[(1, 9938075), (5, 1987615), (7, 1419725), (25, 397523), (35, 283945), (109, 91175), (175, 56789), (521, 19075), (545, 18235), (763, 13025), (2605, 3815), (2725, 3647)]