2172405

素因数分解:

$3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{577}}^1$

素因数の和:836

約数の個数: 16

約数和(自身を含む): 3495744

約数和(自身を除く): 1323339

約数列:

[1, 3, 5, 15, 251, 577, 753, 1255, 1731, 2885, 3765, 8655, 144827, 434481, 724135, 2172405]

約数ペア:

[(1, 2172405), (3, 724135), (5, 434481), (15, 144827), (251, 8655), (577, 3765), (753, 2885), (1255, 1731)]