821215275

素因数分解:

$3^1\times 5^2\times {\mathrm{2423}}^1\times {\mathrm{4519}}^1$

素因数の和:6955

約数の個数: 24

約数和(自身を含む): 1358603520

約数和(自身を除く): 537388245

約数列:

[1, 3, 5, 15, 25, 75, 2423, 4519, 7269, 12115, 13557, 22595, 36345, 60575, 67785, 112975, 181725, 338925, 10949537, 32848611, 54747685, 164243055, 273738425, 821215275]

約数ペア:

[(1, 821215275), (3, 273738425), (5, 164243055), (15, 54747685), (25, 32848611), (75, 10949537), (2423, 338925), (4519, 181725), (7269, 112975), (12115, 67785), (13557, 60575), (22595, 36345)]