6861725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:557

約数の個数: 24

約数和(自身を含む): 9395232

約数和(自身を除く): 2533507

約数列:

[1, 5, 13, 25, 43, 65, 215, 325, 491, 559, 1075, 2455, 2795, 6383, 12275, 13975, 21113, 31915, 105565, 159575, 274469, 527825, 1372345, 6861725]

約数ペア:

[(1, 6861725), (5, 1372345), (13, 527825), (25, 274469), (43, 159575), (65, 105565), (215, 31915), (325, 21113), (491, 13975), (559, 12275), (1075, 6383), (2455, 2795)]