145426275

素因数分解:

$3^2\times 5^2\times {\mathrm{646339}}^1$

素因数の和:646355

約数の個数: 18

約数和(自身を含む): 260475020

約数和(自身を除く): 115048745

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 646339, 1939017, 3231695, 5817051, 9695085, 16158475, 29085255, 48475425, 145426275]

約数ペア:

[(1, 145426275), (3, 48475425), (5, 29085255), (9, 16158475), (15, 9695085), (25, 5817051), (45, 3231695), (75, 1939017), (225, 646339)]