725256465

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{883}}^1\times {\mathrm{3221}}^1$

素因数の和:4129

約数の個数: 32

約数和(自身を含む): 1230443136

約数和(自身を除く): 505186671

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 883, 2649, 3221, 4415, 9663, 13245, 15011, 16105, 45033, 48315, 54757, 75055, 164271, 225165, 273785, 821355, 2844143, 8532429, 14220715, 42662145, 48350431, 145051293, 241752155, 725256465]

約数ペア:

[(1, 725256465), (3, 241752155), (5, 145051293), (15, 48350431), (17, 42662145), (51, 14220715), (85, 8532429), (255, 2844143), (883, 821355), (2649, 273785), (3221, 225165), (4415, 164271), (9663, 75055), (13245, 54757), (15011, 48315), (16105, 45033)]