28394235

素因数分解:

$3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{4019}}^1$

素因数の和:4187

約数の個数: 24

約数和(自身を含む): 49542480

約数和(自身を除く): 21148245

約数列:

[1, 3, 5, 9, 15, 45, 157, 471, 785, 1413, 2355, 4019, 7065, 12057, 20095, 36171, 60285, 180855, 630983, 1892949, 3154915, 5678847, 9464745, 28394235]

約数ペア:

[(1, 28394235), (3, 9464745), (5, 5678847), (9, 3154915), (15, 1892949), (45, 630983), (157, 180855), (471, 60285), (785, 36171), (1413, 20095), (2355, 12057), (4019, 7065)]