1228425

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1489}}^1$

素因数の和:1513

約数の個数: 24

約数和(自身を含む): 2217120

約数和(自身を除く): 988695

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275, 825, 1489, 4467, 7445, 16379, 22335, 37225, 49137, 81895, 111675, 245685, 409475, 1228425]

約数ペア:

[(1, 1228425), (3, 409475), (5, 245685), (11, 111675), (15, 81895), (25, 49137), (33, 37225), (55, 22335), (75, 16379), (165, 7445), (275, 4467), (825, 1489)]