208025025

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{213359}}^1$

素因数の和:213385

約数の個数: 24

約数和(自身を含む): 370392960

約数和(自身を除く): 162367935

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 213359, 640077, 1066795, 2773667, 3200385, 5333975, 8321001, 13868335, 16001925, 41605005, 69341675, 208025025]

約数ペア:

[(1, 208025025), (3, 69341675), (5, 41605005), (13, 16001925), (15, 13868335), (25, 8321001), (39, 5333975), (65, 3200385), (75, 2773667), (195, 1066795), (325, 640077), (975, 213359)]