1261275

素因数分解:

$3^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:331

約数の個数: 24

約数和(自身を含む): 2124864

約数和(自身を除く): 863589

約数列:

[1, 3, 5, 15, 25, 67, 75, 201, 251, 335, 753, 1005, 1255, 1675, 3765, 5025, 6275, 16817, 18825, 50451, 84085, 252255, 420425, 1261275]

約数ペア:

[(1, 1261275), (3, 420425), (5, 252255), (15, 84085), (25, 50451), (67, 18825), (75, 16817), (201, 6275), (251, 5025), (335, 3765), (753, 1675), (1005, 1255)]