207928945

素因数分解:

$5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{54503}}^1$

素因数の和:54624

約数の個数: 16

約数和(自身を含む): 287781120

約数和(自身を除く): 79852175

約数列:

[1, 5, 7, 35, 109, 545, 763, 3815, 54503, 272515, 381521, 1907605, 5940827, 29704135, 41585789, 207928945]

約数ペア:

[(1, 207928945), (5, 41585789), (7, 29704135), (35, 5940827), (109, 1907605), (545, 381521), (763, 272515), (3815, 54503)]