6891205

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:309

約数の個数: 24

約数和(自身を含む): 9283680

約数和(自身を除く): 2392475

約数列:

[1, 5, 17, 19, 85, 95, 251, 289, 323, 1255, 1445, 1615, 4267, 4769, 5491, 21335, 23845, 27455, 72539, 81073, 362695, 405365, 1378241, 6891205]

約数ペア:

[(1, 6891205), (5, 1378241), (17, 405365), (19, 362695), (85, 81073), (95, 72539), (251, 27455), (289, 23845), (323, 21335), (1255, 5491), (1445, 4769), (1615, 4267)]