71628225

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{56179}}^1$

素因数の和:56209

約数の個数: 24

約数和(自身を含む): 125393760

約数和(自身を除く): 53765535

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 56179, 168537, 280895, 842685, 955043, 1404475, 2865129, 4213425, 4775215, 14325645, 23876075, 71628225]

約数ペア:

[(1, 71628225), (3, 23876075), (5, 14325645), (15, 4775215), (17, 4213425), (25, 2865129), (51, 1404475), (75, 955043), (85, 842685), (255, 280895), (425, 168537), (1275, 56179)]