212025

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{257}}^1$

素因数の和:281

約数の個数: 24

約数和(自身を含む): 383904

約数和(自身を除く): 171879

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 257, 275, 771, 825, 1285, 2827, 3855, 6425, 8481, 14135, 19275, 42405, 70675, 212025]

約数ペア:

[(1, 212025), (3, 70675), (5, 42405), (11, 19275), (15, 14135), (25, 8481), (33, 6425), (55, 3855), (75, 2827), (165, 1285), (257, 825), (275, 771)]