3972745

素因数分解:

$5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{509}}^1$

素因数の和:744

約数の個数: 16

約数和(自身を含む): 5483520

約数和(自身を除く): 1510775

約数列:

[1, 5, 7, 35, 223, 509, 1115, 1561, 2545, 3563, 7805, 17815, 113507, 567535, 794549, 3972745]

約数ペア:

[(1, 3972745), (5, 794549), (7, 567535), (35, 113507), (223, 17815), (509, 7805), (1115, 3563), (1561, 2545)]