172821125

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{433}}^1$

素因数の和:582

約数の個数: 32

約数和(自身を含む): 225318912

約数和(自身を除く): 52497787

約数列:

[1, 5, 25, 31, 103, 125, 155, 433, 515, 775, 2165, 2575, 3193, 3875, 10825, 12875, 13423, 15965, 44599, 54125, 67115, 79825, 222995, 335575, 399125, 1114975, 1382569, 1677875, 5574875, 6912845, 34564225, 172821125]

約数ペア:

[(1, 172821125), (5, 34564225), (25, 6912845), (31, 5574875), (103, 1677875), (125, 1382569), (155, 1114975), (433, 399125), (515, 335575), (775, 222995), (2165, 79825), (2575, 67115), (3193, 54125), (3875, 44599), (10825, 15965), (12875, 13423)]